{"id":7825,"date":"2026-09-03T05:47:57","date_gmt":"2026-09-03T05:47:57","guid":{"rendered":"https:\/\/mylionbattery.com\/?p=7825"},"modified":"2026-09-03T05:47:57","modified_gmt":"2026-09-03T05:47:57","slug":"18650-vs-21700-battery-pack-oem-guide","status":"publish","type":"post","link":"https:\/\/mylionbattery.com\/fr\/18650-vs-21700-battery-pack-oem-guide\/","title":{"rendered":"Batterie 18650 ou 21700\u00a0: laquelle est la mieux adapt\u00e9e \u00e0 votre design d\u2019origine\u00a0?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"7825\" class=\"elementor elementor-7825\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1f2b017 e-flex e-con-boxed e-con e-parent\" data-id=\"1f2b017\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1d28bbd elementor-widget elementor-widget-heading\" data-id=\"1d28bbd\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comprendre la question fondamentale dans le choix des batteries d&#039;origine<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b3f0102 elementor-widget elementor-widget-text-editor\" data-id=\"b3f0102\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pour les fabricants d&#039;\u00e9quipements B2B qui \u00e9valuent les batteries lithium-ion cylindriques, le choix entre une cellule 18650 et une cellule 21700 se r\u00e9sume rarement \u00e0 la cellule seule. Il s&#039;agit plut\u00f4t de comprendre comment la batterie finie interagit avec l&#039;enveloppe physique de l&#039;appareil, son comportement thermique, ses exigences de d\u00e9charge et les d\u00e9lais de fabrication. MYLION propose<strong><b>\u00a0<\/b><\/strong><a href=\"https:\/\/myliontech.com\/en\/solutions\/\"><strong><u><b>Solutions de batteries au lithium B2B<\/b><\/u><\/strong><\/a><strong><b>\u00a0<\/b><\/strong>pour les fabricants d&#039;\u00e9quipements OEM<\/p><p>Ce guide fournit aux ing\u00e9nieurs concepteurs OEM, aux int\u00e9grateurs de syst\u00e8mes et aux sp\u00e9cialistes des achats un cadre clair et bas\u00e9 sur l&#039;ing\u00e9nierie pour choisir entre les batteries 18650 et 21700.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74d5eba elementor-widget elementor-widget-heading\" data-id=\"74d5eba\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Le probl\u00e8me rencontr\u00e9 par le client\u00a0: les batteries standard sont rarement compatibles avec les appareils d\u2019origine.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0cfe2a elementor-widget elementor-widget-text-editor\" data-id=\"a0cfe2a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les batteries standard peuvent sembler pratiques au stade de la conception initiale, mais elles ne r\u00e9pondent souvent pas aux v\u00e9ritables exigences d&#039;int\u00e9gration des \u00e9quipementiers.<\/p><p>Les probl\u00e8mes courants incluent\u00a0:<\/p><ul><li>Le compartiment \u00e0 piles a des dimensions fixes.<\/li><li>L&#039;appareil n\u00e9cessite \u00e0 la fois un courant continu et un courant de cr\u00eate.<\/li><li>Le connecteur, le sens des fils ou la longueur du c\u00e2ble doivent correspondre \u00e0 la configuration de l&#039;\u00e9quipement.<\/li><li>Le mode de chargement doit \u00eatre compatible avec le syst\u00e8me de l&#039;appareil.<\/li><li>Le syst\u00e8me de gestion de batterie (BMS) doit correspondre aux besoins en tension, courant, protection et communication \u00e9ventuelle.<\/li><li>Le march\u00e9 cible peut exiger des certifications ou des documents de transport sp\u00e9cifiques.<\/li><li>Le projet n\u00e9cessite des tests sur des \u00e9chantillons avant la production en s\u00e9rie.<\/li><\/ul><p>Pour les instruments industriels, la robotique, les dispositifs m\u00e9dicaux, les \u00e9quipements de s\u00e9curit\u00e9, les terminaux IoT et les appareils portables professionnels, la batterie doit \u00eatre consid\u00e9r\u00e9e comme faisant partie int\u00e9grante du syst\u00e8me complet de l&#039;appareil.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab9aab7 elementor-widget elementor-widget-heading\" data-id=\"ab9aab7\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Comparaison technique : 18650 vs 21700 \u2013 Donn\u00e9es techniques cl\u00e9s<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12ccc27 elementor-widget elementor-widget-heading\" data-id=\"12ccc27\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Dimensions physiques et convention d&#039;appellation<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f197743 elementor-widget elementor-widget-text-editor\" data-id=\"f197743\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le nom du mod\u00e8le de cellule d\u00e9crit directement ses dimensions physiques\u00a0:<\/p><table><tbody><tr><td><p><strong><b>Param\u00e8tre<\/b><\/strong><\/p><\/td><td><p><strong><b>18650<\/b><\/strong><\/p><\/td><td width=\"324\"><p><strong><b>21700<\/b><\/strong><\/p><\/td><\/tr><tr><td><p><strong><b>Diam\u00e8tre<\/b><\/strong><\/p><\/td><td><p>18 mm<\/p><\/td><td width=\"324\"><p>21 mm<\/p><\/td><\/tr><tr><td><p><strong><b>Longueur<\/b><\/strong><\/p><\/td><td><p>65 mm<\/p><\/td><td width=\"324\"><p>70 mm<\/p><\/td><\/tr><tr><td><p><strong><b>Capacit\u00e9 typique<\/b><\/strong><\/p><\/td><td><p>2\u00a0000 \u00e0 3\u00a0500 mAh<\/p><\/td><td width=\"324\"><p>4\u00a0000\u20135\u00a0800 mAh<\/p><\/td><\/tr><tr><td><p><strong><b>Densit\u00e9 \u00e9nerg\u00e9tique<\/b><\/strong><\/p><\/td><td><p>180\u2013220 Wh\/kg<\/p><\/td><td width=\"324\"><p>230\u2013260 Wh\/kg<\/p><\/td><\/tr><tr><td><p><strong><b>Co\u00fbt relatif<\/b><\/strong><\/p><\/td><td><p>Ligne de base<\/p><\/td><td width=\"324\"><p>10\u201330% plus \u00e9lev\u00e9<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d320369 elementor-widget elementor-widget-heading\" data-id=\"d320369\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Diff\u00e9rences fondamentales en mati\u00e8re de performances<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b8a8f19 elementor-widget elementor-widget-text-editor\" data-id=\"b8a8f19\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Une cellule 21700 fournit<strong><b>\u00a04000\u20136000 mAh<\/b><\/strong>\u00a0Gr\u00e2ce \u00e0 ses courants de d\u00e9charge plus \u00e9lev\u00e9s, la batterie 18650 est id\u00e9ale pour les applications industrielles, m\u00e9dicales et de stockage d&#039;\u00e9nergie \u00e0 forte puissance. Offrant une capacit\u00e9 de 2\u00a0500 \u00e0 3\u00a0500 mAh, elle reste la solution de r\u00e9f\u00e9rence pour les applications \u00e0 espace restreint et les syst\u00e8mes existants.<\/p><p><strong><b>21700 avantages :<\/b><\/strong><\/p><ul><li>Capacit\u00e9 plus \u00e9lev\u00e9e par cellule \u2192 moins de cellules n\u00e9cessaires par paquet<\/li><li>Densit\u00e9 \u00e9nerg\u00e9tique plus \u00e9lev\u00e9e \u2192 plus d&#039;\u00e9nergie dans un volume similaire<\/li><li>R\u00e9sistance interne plus faible \u2192 meilleure puissance de sortie<\/li><li>Moins d&#039;interconnexions \u2192 risque de d\u00e9faillance et complexit\u00e9 d&#039;assemblage r\u00e9duits<\/li><\/ul><p><strong><b>18650 avantages :<\/b><\/strong><\/p><ul><li>Cha\u00eene d&#039;approvisionnement \u00e0 faible co\u00fbt et tr\u00e8s mature<\/li><li>Qualit\u00e9 stable gr\u00e2ce \u00e0 des d\u00e9cennies de perfectionnement en mati\u00e8re de fabrication<\/li><li>Compatible avec les bo\u00eetiers de batterie courants<\/li><li>Id\u00e9al pour les projets \u00e0 budget limit\u00e9 et les conceptions compactes<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-912b32c elementor-widget elementor-widget-heading\" data-id=\"912b32c\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Consid\u00e9rations relatives \u00e0 la dur\u00e9e de vie thermique et cyclique<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f8bf39 elementor-widget elementor-widget-text-editor\" data-id=\"5f8bf39\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Une batterie 21700 atteint g\u00e9n\u00e9ralement 800 \u00e0 1\u00a0200 cycles de charge, contre 500 \u00e0 800 pour une batterie 18650 standard, avec une dissipation thermique jusqu&#039;\u00e0 10 \u00e0 151\u00a0\u00b0C en moins sous charge continue. Cependant, la gestion thermique demeure un aspect crucial de la conception pour les deux formats\u00a0: les cellules cylindriques n\u00e9cessitent la gestion de nombreuses petites sources de chaleur plut\u00f4t que de quelques grandes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d90795c elementor-widget elementor-widget-heading\" data-id=\"d90795c\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Le processus d&#039;ing\u00e9nierie\u00a0: comment MYLION aborde la s\u00e9lection du format<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-276189d elementor-widget elementor-widget-text-editor\" data-id=\"276189d\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/mylionbattery.com\/fr\/\"><u>MYLION<\/u><\/a>\u00a0Nous sommes un fournisseur de solutions de batteries lithium B2B. Nous consid\u00e9rons chaque pack de batteries comme un sous-syst\u00e8me int\u00e9gr\u00e9 de l&#039;\u00e9quipement complet du client, et non comme un composant ind\u00e9pendant. Forts de plus de 13 ans d&#039;exp\u00e9rience dans les technologies LiFePO\u2084, cylindriques (18650\/21700) et LiPo, nous proposons des services OEM\/ODM complets.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-651fee6 elementor-widget elementor-widget-heading\" data-id=\"651fee6\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u00c9tape 1\u00a0: S\u00e9lection du format de cellule<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba47e44 elementor-widget elementor-widget-text-editor\" data-id=\"ba47e44\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00c9valuation des formats 18650, 21700 ou LiPo en fonction de la g\u00e9om\u00e9trie du dispositif. Plut\u00f4t que d&#039;opter pour un format par d\u00e9faut, le choix du format d\u00e9pend du produit sp\u00e9cifique d\u00e9velopp\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a87cd97 elementor-widget elementor-widget-heading\" data-id=\"a87cd97\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u00c9tape 2\u00a0: Int\u00e9gration compacte des dispositifs<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c44852e elementor-widget elementor-widget-text-editor\" data-id=\"c44852e\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L\u2019examen de la taille, de la position des c\u00e2bles et du montage constitue une t\u00e2che d\u2019assemblage unifi\u00e9e, garantissant que le format de cellule s\u00e9lectionn\u00e9 ne cr\u00e9e pas de conflits ult\u00e9rieurs au niveau de l\u2019ajustement du bo\u00eetier ou de la disposition du c\u00e2blage.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2506a4 elementor-widget elementor-widget-heading\" data-id=\"e2506a4\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Principales caract\u00e9ristiques techniques \u00e0 l&#039;appui de la s\u00e9lection<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c3836a elementor-widget elementor-widget-text-editor\" data-id=\"3c3836a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Une fois le format s\u00e9lectionn\u00e9, MYLION applique plusieurs fonctionnalit\u00e9s cl\u00e9s pour finaliser le pack\u00a0:<\/p><ul><li>Adaptation technique\u00a0: V\u00e9rification de l\u2019ad\u00e9quation du courant et du syst\u00e8me de gestion du groupe \u00e9lectrog\u00e8ne\/protection afin d\u2019aligner la capacit\u00e9 de d\u00e9charge de la batterie avec la charge r\u00e9elle de l\u2019appareil.<\/li><li>Contr\u00f4le final des sp\u00e9cifications\u00a0: Gel et contr\u00f4le des modifications des sp\u00e9cifications avant la production en s\u00e9rie, r\u00e9duisant ainsi le risque de d\u00e9rive de conception en fin de phase.<\/li><li>Personnalisation du syst\u00e8me de gestion technique du b\u00e2timent (GTB)\u00a0: Fonctions GTB intelligentes ou de communication \u00e9valu\u00e9es en fonction des exigences du projet<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-755fe6b e-flex e-con-boxed e-con e-parent\" data-id=\"755fe6b\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-22b378c elementor-widget elementor-widget-image\" data-id=\"22b378c\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"446\" src=\"https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Battery-Packs.avif\" class=\"attachment-large size-large wp-image-7833 not-transparent\" alt=\"18650 Battery Packs\" srcset=\"https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Battery-Packs.avif 1000w, https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Battery-Packs-300x167.avif 300w, https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Battery-Packs-768x429.avif 768w, https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Battery-Packs-18x10.avif 18w, https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Battery-Packs-600x335.avif 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" data-has-transparency=\"false\" data-dominant-color=\"bbddef\" style=\"--dominant-color: #bbddef\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83143b8 elementor-widget elementor-widget-heading\" data-id=\"83143b8\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quand choisir des batteries 18650<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b883c7b elementor-widget elementor-widget-text-editor\" data-id=\"b883c7b\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/mylionbattery.com\/fr\/custom-battery-pack\/\"><strong><u><b>18650<\/b><\/u><\/strong><\/a> est le choix appropri\u00e9 pour les conceptions abouties, les espaces restreints et les projets sensibles aux co\u00fbts.<\/p><p><strong><b>Crit\u00e8res d&#039;application\u00a0:<\/b><\/strong><\/p><ul><li>La largeur de la poign\u00e9e ou du compartiment de l&#039;appareil est inf\u00e9rieure \u00e0 22 mm (ne peut pas accueillir des cellules de 21 mm de diam\u00e8tre).<\/li><li>Outillage, moules ou supports de batterie existants con\u00e7us pour des cellules de 18 mm<\/li><li>Le budget du projet privil\u00e9gie le co\u00fbt cellulaire le plus bas possible.<\/li><li>Besoins \u00e9nerg\u00e9tiques \u2264 50 Wh par paquet (moins de cha\u00eenes parall\u00e8les)<\/li><li>Courant de fonctionnement \u2264 10 A en continu (une valeur de cr\u00eate plus \u00e9lev\u00e9e peut \u00eatre possible avec des cellules \u00e0 taux de charge\/d\u00e9charge \u00e9lev\u00e9)<\/li><\/ul><p><strong><b>Configurations de s\u00e9rie typiques\u00a0:<\/b><\/strong><\/p><ul><li>1S (3,6 V\/3,7 V)\u00a0: petits capteurs, dispositifs portables, testeurs portables<\/li><li>2S (7,2 V\/7,4 V)\u00a0: moniteurs m\u00e9dicaux, lecteurs de codes-barres, instruments portables<\/li><li>3S (10,8 V\/11,1 V)\u00a0: commandes industrielles, modules de secours<\/li><li>4S (14,4 V\/14,8 V)\u00a0: outils \u00e9lectroportatifs, v\u00e9hicules \u00e9lectriques l\u00e9gers<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-005df3e elementor-widget elementor-widget-heading\" data-id=\"005df3e\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quand choisir des batteries 21700<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-198b4f0 elementor-widget elementor-widget-text-editor\" data-id=\"198b4f0\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le format 21700 est pr\u00e9f\u00e9rable lorsque la capacit\u00e9, l&#039;autonomie ou la simplification au niveau du pack l&#039;emportent sur les augmentations marginales de co\u00fbts.<\/p><p><strong><b>Crit\u00e8res d&#039;application\u00a0:<\/b><\/strong><\/p><ul><li>Capacit\u00e9 de batterie requise &gt; 3,5 Ah par groupe parall\u00e8le<\/li><li>Puissance de l&#039;appareil &gt; 150 W ou courant de cr\u00eate &gt; 20 A<\/li><li>Le positionnement haut de gamme du produit, o\u00f9 l&#039;autonomie prolong\u00e9e est un argument de vente cl\u00e9, est un point fort.<\/li><li>Volont\u00e9 de r\u00e9duire le nombre total de cellules \u2013 par exemple, un pack 48 V 20 Ah utilise 65 \u00e0 70 cellules 18650 mais seulement 40 \u00e0 50 cellules 21700<\/li><li>Moins de points de soudure \u2192 moins de d\u00e9fauts d&#039;assemblage et une fiabilit\u00e9 accrue sur le terrain<\/li><li>N\u00e9cessit\u00e9 de r\u00e9duire la production de chaleur sous charge soutenue<\/li><\/ul><p><strong><b>Applications typiques\u00a0:\u00a0<\/b><\/strong>Robotique de haute puissance, batteries pour v\u00e9hicules de livraison, outils industriels robustes, chariots m\u00e9dicaux grand format.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-275c807 elementor-widget elementor-widget-heading\" data-id=\"275c807\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quand les batteries LiPo entrent en sc\u00e8ne<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba68faf elementor-widget elementor-widget-text-editor\" data-id=\"ba68faf\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pour les formes atypiques incompatibles avec les formats cylindriques, l&#039;\u00e9valuation int\u00e8gre des batteries LiPo sur mesure. Lors des analyses techniques, la question du choix entre les formats 18650 et 21700 est souvent \u00e9largie \u00e0 une comparaison \u00e0 trois, prenant \u00e9galement en compte les batteries LiPo lorsque la g\u00e9om\u00e9trie des dispositifs est non conventionnelle.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-222aa4e elementor-widget elementor-widget-heading\" data-id=\"222aa4e\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sc\u00e9narios d&#039;application dans diff\u00e9rents secteurs d&#039;activit\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c36b44 elementor-widget elementor-widget-text-editor\" data-id=\"0c36b44\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>MYLION s&#039;adresse \u00e0 des clients B2B de multiples secteurs, chacun pr\u00e9sentant des facteurs de format sp\u00e9cifiques\u00a0:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25cd9b2 elementor-widget elementor-widget-heading\" data-id=\"25cd9b2\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Maison intelligente et objets connect\u00e9s<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29d9a7b elementor-widget elementor-widget-text-editor\" data-id=\"29d9a7b\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"7350\" data-end=\"7546\">Ces produits sont souvent soumis \u00e0 des exigences strictes en mati\u00e8re de dimensions, de poids et d&#039;ergonomie. Les batteries 18650 peuvent s&#039;int\u00e9grer dans des poign\u00e9es compactes ou des compartiments \u00e9troits, tandis que les batteries 21700 peuvent offrir une autonomie plus longue lorsque le bo\u00eetier le permet.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7962d81 elementor-widget elementor-widget-heading\" data-id=\"7962d81\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u00c9quipements de robotique et d&#039;automatisation<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-beb8f78 elementor-widget elementor-widget-text-editor\" data-id=\"beb8f78\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"7587\" data-end=\"7794\">Les projets de robotique peuvent n\u00e9cessiter une alimentation \u00e9lectrique stable et une capacit\u00e9 \u00e0 supporter des pics de courant brefs. Il est imp\u00e9ratif de v\u00e9rifier la batterie en fonction de la charge du moteur, de la r\u00e9activit\u00e9 du syst\u00e8me de gestion de batterie (BMS), de la chute de tension, des caract\u00e9ristiques des connecteurs et du comportement thermique.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-99e5dd7 elementor-widget elementor-widget-heading\" data-id=\"99e5dd7\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u00c9quipements de s\u00e9curit\u00e9 et de vid\u00e9osurveillance<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-01bdc81 elementor-widget elementor-widget-text-editor\" data-id=\"01bdc81\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"7837\" data-end=\"8036\">Les \u00e9quipements de s\u00e9curit\u00e9 peuvent n\u00e9cessiter une alimentation de secours fiable, un fonctionnement en ext\u00e9rieur ou une longue autonomie. Le format appropri\u00e9 d\u00e9pend des dimensions du bo\u00eetier, des conditions de temp\u00e9rature, du profil de courant et du mode d&#039;installation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ad363c5 elementor-widget elementor-widget-heading\" data-id=\"ad363c5\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Dispositifs m\u00e9dicaux et de sant\u00e9<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b6c5acd elementor-widget elementor-widget-text-editor\" data-id=\"b6c5acd\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pour certains \u00e9quipements m\u00e9dicaux ou param\u00e9dicaux, la conception des batteries doit prendre en compte la s\u00e9curit\u00e9, la documentation, les tests, le mode de charge et l&#039;int\u00e9gration au dispositif. L&#039;ad\u00e9quation finale doit \u00eatre \u00e9valu\u00e9e en fonction du dispositif sp\u00e9cifique et des normes requises.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19ae317 elementor-widget elementor-widget-heading\" data-id=\"19ae317\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">IoT et appareils intelligents<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2634220 elementor-widget elementor-widget-text-editor\" data-id=\"2634220\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"8360\" data-end=\"8574\">Les objets connect\u00e9s n\u00e9cessitent souvent une taille compacte, une autonomie stable et une charge contr\u00f4l\u00e9e. Les batteries 18650 conviennent aux petits bo\u00eetiers, tandis que les batteries 21700 sont \u00e0 privil\u00e9gier lorsque l&#039;autonomie prime sur la taille.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e577c54 elementor-widget elementor-widget-heading\" data-id=\"e577c54\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Outils portables professionnels<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-941d752 elementor-widget elementor-widget-text-editor\" data-id=\"941d752\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"8360\" data-end=\"8574\">Les outils portables et les \u00e9quipements mobiles professionnels peuvent tirer parti de la norme 21700 lorsqu&#039;une puissance plus \u00e9lev\u00e9e ou une autonomie prolong\u00e9e sont requises. Toutefois, le courant, la chaleur, les vibrations, la r\u00e9sistance des connecteurs et la structure de l&#039;accumulateur doivent \u00eatre valid\u00e9s.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6dc84f2 elementor-widget elementor-widget-image\" data-id=\"6dc84f2\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"997\" src=\"https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Application-Scenarios-822x1024.avif\" class=\"attachment-large size-large wp-image-7832 not-transparent\" alt=\"18650 Application Scenarios\" srcset=\"https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Application-Scenarios-822x1024.avif 822w, https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Application-Scenarios-241x300.avif 241w, https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Application-Scenarios-768x957.avif 768w, https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Application-Scenarios-10x12.avif 10w, https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Application-Scenarios-600x748.avif 600w, https:\/\/mylionbattery.com\/wp-content\/uploads\/2026\/09\/18650-Application-Scenarios.avif 1000w\" sizes=\"(max-width: 800px) 100vw, 800px\" data-has-transparency=\"false\" data-dominant-color=\"c6cfdc\" style=\"--dominant-color: #c6cfdc\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29526e9 elementor-widget elementor-widget-heading\" data-id=\"29526e9\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Solution MYLION\u00a0: Examen technique avant recommandation du bloc-batterie<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b18724 elementor-widget elementor-widget-text-editor\" data-id=\"8b18724\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>MYLION aborde les projets de batteries 18650 et 21700 comme des t\u00e2ches d&#039;ing\u00e9nierie sp\u00e9cifiques \u00e0 l&#039;application.<\/p><p>Pour les clients OEM et ODM, MYLION peut prendre en charge\u00a0:<\/p><ul><li>\u00c9valuation du format de la batterie\u00a0: 18650, 21700, LiFePO4 ou LiPo, selon les exigences de l\u2019appareil.<\/li><li>Revue de conception s\u00e9rie-parall\u00e8le\u00a0: \u00e9valuation de la tension, de la capacit\u00e9, du courant et de l\u2019autonomie.<\/li><li>Adaptation du syst\u00e8me de gestion technique du b\u00e2timent (GTB)\u00a0: fonctions de protection et de communication possibles selon les besoins du projet.<\/li><li>Personnalisation des connecteurs et des c\u00e2bles\u00a0: type de connecteur, longueur du c\u00e2ble, sens de sortie du c\u00e2ble et v\u00e9rification de la polarit\u00e9.<\/li><li>Int\u00e9gration m\u00e9canique\u00a0: \u00e9valuation de la gaine thermor\u00e9tractable, du support, du bo\u00eetier en plastique, du bo\u00eetier en aluminium ou de la structure sur mesure.<\/li><li>Compatibilit\u00e9 des chargeurs\u00a0: v\u00e9rification de la tension de charge, du courant, de la conception du port et de la compatibilit\u00e9 du syst\u00e8me.<\/li><li>D\u00e9veloppement d&#039;\u00e9chantillons\u00a0: prototypes pour tests sur appareils r\u00e9els.<\/li><li>Assistance \u00e0 la validation\u00a0: contr\u00f4les \u00e9lectriques, thermiques, m\u00e9caniques et fonctionnels conform\u00e9ment aux exigences du projet.<\/li><li>Assistance \u00e0 la production\u00a0: confirmation des sp\u00e9cifications, contr\u00f4le des versions et coordination de la production en s\u00e9rie.<\/li><\/ul><p>Pour en savoir plus sur les capacit\u00e9s de personnalisation des batteries MYLION, cliquez ici\u00a0: <a href=\"https:\/\/mylionbattery.com\/fr\/custom-battery-pack\/\"><u>https:\/\/mylionbattery.com\/custom-battery-pack\/<\/u><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2a3cc88 e-flex e-con-boxed e-con e-parent\" data-id=\"2a3cc88\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-411860f elementor-widget elementor-widget-heading\" data-id=\"411860f\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQ<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-692d270 elementor-widget elementor-widget-elementskit-faq\" data-id=\"692d270\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-faq.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\n                <div class=\"elementskit-single-faq elementor-repeater-item-2844609\">\n            <div class=\"elementskit-faq-header\">\n                <h2 class=\"elementskit-faq-title\">Q1 : Lequel est le meilleur, le 18650 ou le 21700 ?<\/h2>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                Le format 18650 est g\u00e9n\u00e9ralement plus adapt\u00e9 aux conceptions compactes, \u00e9prouv\u00e9es et \u00e9conomiques. Le format 21700 est souvent pr\u00e9f\u00e9rable lorsque le projet requiert une \u00e9nergie plus \u00e9lev\u00e9e par cellule, un nombre de cellules r\u00e9duit ou un potentiel de performance sup\u00e9rieur.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-c8d5e9c\">\n            <div class=\"elementskit-faq-header\">\n                <h2 class=\"elementskit-faq-title\">Q2 : Puis-je remplacer un pack 18650 par un pack 21700 ?<\/h2>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                Pas directement. Il faut d&#039;abord examiner la taille, la tension, le courant, le syst\u00e8me de gestion de batterie, le chargeur, le connecteur, le comportement thermique et effectuer des tests sur l&#039;appareil.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-d44f02c\">\n            <div class=\"elementskit-faq-header\">\n                <h2 class=\"elementskit-faq-title\">Q3\u00a0: Un pack de batteries 21700 offre-t-il toujours une autonomie plus longue\u00a0?<\/h2>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                Non. L&#039;autonomie d\u00e9pend de l&#039;\u00e9nergie de la batterie, de la puissance de la charge, de l&#039;\u00e9nergie utilisable, de la temp\u00e9rature, de la coupure du BMS et du rendement de l&#039;appareil.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-ee0a22a\">\n            <div class=\"elementskit-faq-header\">\n                <h2 class=\"elementskit-faq-title\">Q4\u00a0: Le 21700 est-il plus s\u00fbr que le 18650\u00a0?<\/h2>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                La taille des cellules ne suffit pas \u00e0 garantir la s\u00e9curit\u00e9. Celle-ci d\u00e9pend du choix des cellules, du syst\u00e8me de gestion de batterie (BMS), de la structure, de l&#039;isolation, de la compatibilit\u00e9 du chargeur, de la fabrication et des tests.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-df10890\">\n            <div class=\"elementskit-faq-header\">\n                <h2 class=\"elementskit-faq-title\">Q5 : MYLION peut-il personnaliser le BMS pour les packs 18650 ou 21700 ?<\/h2>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                MYLION peut \u00e9valuer la compatibilit\u00e9 du BMS en fonction de la tension, du courant, de la protection, de la m\u00e9thode de charge et des exigences de l&#039;application.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-16fb515\">\n            <div class=\"elementskit-faq-header\">\n                <h2 class=\"elementskit-faq-title\">Q6 : Quelles informations dois-je fournir avant d&#039;obtenir un devis ?<\/h2>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                Veuillez indiquer l&#039;application, la tension, le courant continu, le courant de cr\u00eate, la dur\u00e9e de fonctionnement cible, la limite de taille, le connecteur, la m\u00e9thode de charge, l&#039;objectif de certification, la quantit\u00e9 et le march\u00e9 de destination.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-7f58e83\">\n            <div class=\"elementskit-faq-header\">\n                <h2 class=\"elementskit-faq-title\">Q7\u00a0: MYLION peut-il prendre en charge les documents de certification\u00a0?<\/h2>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                MYLION peut \u00e9valuer la certification et le support des documents de transport en fonction du produit, de sa configuration et du march\u00e9 cible.            <\/div>\n        <\/div>\n                \n    <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a8a6b2 elementor-widget elementor-widget-heading\" data-id=\"5a8a6b2\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b274e7 elementor-widget elementor-widget-text-editor\" data-id=\"3b274e7\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le choix entre les batteries 18650 et 21700 ne doit pas se baser uniquement sur la capacit\u00e9, le prix ou la taille des cellules. Pour les appareils OEM, le format de batterie le plus adapt\u00e9 d\u00e9pend de l&#039;espace disponible, du courant, de l&#039;autonomie, du syst\u00e8me de charge, du BMS, du connecteur, de la conception thermique, de l&#039;objectif de certification et du plan de production.<\/p><p>Le format 18650 reste un excellent choix pour les conceptions OEM compactes et \u00e9prouv\u00e9es. Le format 21700 est une solution id\u00e9ale lorsque le projet requiert une capacit\u00e9 \u00e9nerg\u00e9tique plus \u00e9lev\u00e9e par cellule, une architecture avec moins de cellules ou une batterie plus performante. Dans certains projets, les batteries LiPo, <a href=\"https:\/\/mylionbattery.com\/fr\/12v-lifepo4-battery\/\"><strong><u><b>LiFePO4 <\/b><\/u><\/strong><\/a>ou un autre format personnalis\u00e9 pourrait \u00e9galement devoir \u00eatre \u00e9valu\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-56b829d elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"56b829d\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f321f39\" data-id=\"f321f39\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c5da9f4 elementor-widget__width-initial elementor-widget elementor-widget-elementskit-heading\" data-id=\"c5da9f4\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_center   ekit_heading_tablet-   ekit_heading_mobile-\">\t\t\t\t<div class='ekit-heading__description'>\n\t\t\t\t\t<p>Besoin d&#039;aide pour choisir entre une batterie 18650 et une batterie 21700 pour votre appareil OEM\u00a0? <a href=\"https:\/\/mylionbattery.com\/fr\/contact\/\">MYLION <\/a>peut vous aider \u00e0 \u00e9valuer une solution de batterie personnalis\u00e9e adapt\u00e9e \u00e0 votre projet B2B.<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97e000f elementor-align-center elementor-widget elementor-widget-elementskit-button\" data-id=\"97e000f\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\t\t<div class=\"ekit-btn-wraper\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/mylionbattery.com\/fr\/contact\/\" target=\"_blank\" class=\"elementskit-btn  whitespace--normal\" id=\"\">\n\t\t\t\t\tContactez MYLION\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n        <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Comprendre la question fondamentale du choix des batteries pour les fabricants d&#039;\u00e9quipements B2B\u00a0: pour les fabricants d&#039;\u00e9quipements B2B \u00e9valuant les batteries lithium-ion cylindriques, le choix entre une cellule 18650 et une cellule 21700 se r\u00e9sume rarement \u00e0 la cellule seule. Il s&#039;agit plut\u00f4t de comprendre comment la batterie finie interagit avec l&#039;enveloppe physique de l&#039;appareil, son comportement thermique, ses exigences de d\u00e9charge et les d\u00e9lais de fabrication. MYLION fournit des batteries lithium B2B [\u2026]<\/p>","protected":false},"author":1,"featured_media":7834,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[143,145,141,142,144],"class_list":["post-7825","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-custom-18650-battery-pack","tag-custom-battery-bms-integration","tag-custom-lithium-battery-pack-for-oem","tag-oem-battery-pack-development","tag-oem-lifepo4-battery-design"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>18650 vs 21700 Battery Pack: OEM Design &amp; Selection Guide | MYLION<\/title>\n<meta name=\"description\" content=\"Evaluating 18650 vs 21700 battery packs for OEM devices? 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