{"product_id":"diy-triangle-ebike-battery-case-fits-80pcs-21700-cells","title":"Triangle Battery Case Fit 80PCS 21700 Cells 36V 48V 52V 60V 72V  E-Bike Electric Bicycle Triangle Battery Box for DIY Pack","description":"\u003ch1\u003eDIY Triangle E-Bike Battery Case Enclosure with Cell Brackets – Fits 80 PCS 21700 Cells for 36V, 48V, 52V, 60V \u0026amp; 72V Custom Lithium Battery Builds\u003c\/h1\u003e\n\u003cp\u003eBuild a high-capacity, heavy-duty custom lithium battery pack tailored specifically to your electric bike’s frame. This empty triangle battery enclosure is engineered for DIY builders, bike shops, and custom EV enthusiasts looking to assemble a custom power core using modern, high-energy-density \u003cb\u003e21700 lithium-ion cells\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003eEquipped with dedicated cell bracket spacers, this housing accommodates up to \u003cb\u003e80 individual 21700 cells\u003c\/b\u003e, allowing you to configure high-voltage, high-amp-hour setups ranging from 36V up to 72V. The rugged plastic shell protects your soldered or spot-welded nickel strip matrix from frame vibrations, trail impacts, road debris, and weather exposure while maintaining a clean, integrated triangle-frame aesthetic.\u003c\/p\u003e\n\u003ch3\u003e⚠️ Important Fitment \u0026amp; Sizing Notice\u003c\/h3\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cb\u003eBefore Purchasing:\u003c\/b\u003e This is an \u003cb\u003eempty DIY battery box enclosure with internal brackets\u003c\/b\u003e (battery cells, BMS, nickel strips, and wiring harnesses are \u003cb\u003enot included\u003c\/b\u003e). Please carefully measure your bike frame's internal triangle dimensions and review the detailed inner size diagram to confirm proper fitment for both your frame and your planned cell matrix layout.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003e🚀 Key High-Performance Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh-Capacity 80-Cell Layout:\u003c\/b\u003e Optimized internal cell grid holds up to \u003cb\u003e80 pcs 21700 cells\u003c\/b\u003e, enabling long-range configurations (e.g., 10S8P 36V, 13S6P 48V, 14S5P 52V, 16S5P 60V, or 20S4P 72V builds).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIncluded Structural Cell Brackets:\u003c\/b\u003e Ships with cell spacer holders designed to maintain precise cell spacing, prevent vibration short-circuiting, and promote air thermal dissipation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVersatile Multi-Voltage Compatibility:\u003c\/b\u003e Universal shell design suitable for custom \u003cb\u003e36V, 48V, 52V, 60V, and 72V\u003c\/b\u003e lithium battery packs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eImpact-Resistant Protection:\u003c\/b\u003e Tough, high-density ABS\/PC shell shields your custom battery pack from accidental drops, frame flex, dust, and light weather exposure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSleek Triangle Frame Integration:\u003c\/b\u003e Mounts neatly inside the front triangle of standard bicycle frames to optimize weight distribution and keep your center of gravity low for enhanced trail handling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📊 Technical Specifications \u0026amp; Details \u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Parameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCase \u0026amp; Bracket Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDIY Empty Triangle E-Bike Battery Case Enclosure\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCell Capacity \u0026amp; Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eFits up to 80 PCS 21700 Lithium-Ion Cells\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCompatible Voltage Setups\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003e36V, 48V, 52V, 60V, 72V Configurations\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eIncluded Accessories\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eInternal Cell Bracket Holders \/ Spacers\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eShell Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eImpact-Resistant Engineering Plastic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eColor Finish\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStealth Matte Black\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePrimary Purpose\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDIY Custom Pack Assembly, Replacement Housing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eHazardous Chemical Registry\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003ccode\u003eHigh-concerned chemical: None\u003c\/code\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e⚙️ Assembly \u0026amp; Installation Tips\u003c\/h3\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCell Layout Planning:\u003c\/b\u003e Plan your series\/parallel configuration (S\/P) and spot-welding nickel strip pattern before placing cells into the included 21700 brackets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBMS \u0026amp; Wiring Allocation:\u003c\/b\u003e Leave adequate space inside the enclosure for your Battery Management System (BMS), main power output lead (e.g., XT90 \/ Anderson), charge port, and balancing wires.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eInternal Insulation:\u003c\/b\u003e Use barley paper (fish paper) and heat shrink wrap around your cell matrix to add electrical insulation before sealing the outer shell.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e📦 Package Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Empty DIY Triangle E-Bike Battery Enclosure Box (Matte Black)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Internal 21700 Cell Bracket Matrix Set (Holds up to 80 cells)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eBuild your custom high-capacity power pack. Order your 80-Cell Triangle Battery Enclosure today and take control of your e-bike build!\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2da0f562b1464beb999f2f83bfd9b3af6.png\" alt=\"DIY triangle ebike battery case empty enclosure fitting 80 pcs 21700 cells  Internal 21700 cell bracket matrix inside black triangle ebike battery box\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2c581b8790274024b9a2b573458e8bc0I.png\" alt=\"DIY triangle ebike battery case empty enclosure fitting 80 pcs 21700 cells  Internal 21700 cell bracket matrix inside black triangle ebike battery box\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S76aae56e0b7c47c7ac38df0bf4580dadv.png\" alt=\"DIY triangle ebike battery case empty enclosure fitting 80 pcs 21700 cells  Internal 21700 cell bracket matrix inside black triangle ebike battery box\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S569d6fb36da9434fafa870f640f8fb74x.png\" alt=\"DIY triangle ebike battery case empty enclosure fitting 80 pcs 21700 cells  Internal 21700 cell bracket matrix inside black triangle ebike battery box\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2e44fea8bbee47e8b596645c2a8807e4v.png\" alt=\"DIY triangle ebike battery case empty enclosure fitting 80 pcs 21700 cells  Internal 21700 cell bracket matrix inside black triangle ebike battery box\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2f7baf3a7dad4e358b3e25e7e0ec73cej.png\" alt=\"DIY triangle ebike battery case empty enclosure fitting 80 pcs 21700 cells  Internal 21700 cell bracket matrix inside black triangle ebike battery box\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: tahoma, geneva, sans-serif;\"\u003e\u003cstrong\u003eAbout Delivery\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sc8626fe831534a32a42fcb564c6eac01g.png\" alt=\"DIY triangle ebike battery case empty enclosure fitting 80 pcs 21700 cells  Internal 21700 cell bracket matrix inside black triangle ebike battery box\" style=\"float: none;\"\u003e\u003c\/div\u003e","brand":"Ebike Power Network","offers":[{"title":"SJ06 36V BOX","offer_id":47396605165739,"sku":"14:200006151#SJ06 36V BOX","price":109.87,"currency_code":"USD","in_stock":true},{"title":"SJ06 48V BOX","offer_id":47396605198507,"sku":"14:200006152#SJ06 48V BOX","price":109.87,"currency_code":"USD","in_stock":true},{"title":"SJ06 52V BOX","offer_id":47396605067435,"sku":"14:200006153#SJ06 52V BOX","price":109.87,"currency_code":"USD","in_stock":true},{"title":"SJ06 60V BOX","offer_id":47396605100203,"sku":"14:200006154#SJ06 60V BOX","price":109.87,"currency_code":"USD","in_stock":true},{"title":"SJ06 72V BOX","offer_id":47396605132971,"sku":"14:200006156#SJ06 72V BOX","price":109.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/2649\/7451\/files\/S1f850e937d704b799aeeace5340daccdK.webp?v=1784073550","url":"https:\/\/chargemyebike.com\/products\/diy-triangle-ebike-battery-case-fits-80pcs-21700-cells","provider":"Ebike Power Network","version":"1.0","type":"link"}