{"title":"Ampace 21700 Batteries","description":"\u003cp\u003eAmpace 21700 batteries are lithium-ion rechargeable cells designed for modern battery applications requiring reliable performance and efficient energy delivery. Ampace is an emerging manufacturer focused on advanced lithium-ion cell development and high-quality production.\u003c\/p\u003e\n\n\u003cp\u003eThe 21700 format offers increased capacity and improved efficiency compared to smaller battery sizes, making Ampace cells suitable for battery packs, portable devices, and performance-oriented applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003e\n✔ OEM Manufacturer – Produced by Ampace with a focus on modern cell design\u003cbr\u003e\n✔ Lithium-Ion Chemistry – Rechargeable cells with stable voltage output\u003cbr\u003e\n✔ Reliable Performance – Designed for consistent energy delivery\u003cbr\u003e\n✔ 21700 Format – Increased capacity and improved efficiency\n\u003c\/p\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cp\u003e\n✔ Battery Pack Assembly – Used in lithium-ion pack builds and integrations\u003cbr\u003e\n✔ High-Performance Applications – Suitable for devices requiring consistent output\u003cbr\u003e\n✔ Portable Equipment – Used in compatible battery-powered devices\u003cbr\u003e\n✔ DIY \u0026amp; Custom Projects – Popular among builders and enthusiasts\n\u003c\/p\u003e\n\n\u003ch3\u003ePerformance Considerations\u003c\/h3\u003e\n\u003cp\u003eAmpace 21700 batteries are designed for modern energy applications and may offer a balance of capacity and performance depending on the model. Selecting the appropriate cell depends on your specific application requirements.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eAlways verify compatibility with your device or battery system, including size, discharge requirements, and supported battery specifications.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\n\u003cp\u003eUse only with compatible devices and chargers designed for lithium-ion batteries. Proper handling and usage are important for safe operation.\u003c\/p\u003e\n\n\u003cp\u003eBrowse our selection of Ampace 21700 batteries to find cells suited for your application.\u003c\/p\u003e","products":[{"product_id":"ampace-jp40-21700-4000mah-70a-battery","title":"Ampace JP40 21700 4000mAh 70A Tabless Battery","description":"\u003ch4\u003eKey Features\u003c\/h4\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003e70A High Discharge:\u003c\/strong\u003e Handles extreme current draw with ease, supporting up to 70A continuous output.\u003c\/li\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003e4000mAh Capacity:\u003c\/strong\u003e Delivers extended runtime for e-bikes, tool packs, and power-intensive builds.\u003c\/li\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003eFast Charging Ready:\u003c\/strong\u003e Supports 8A max charge current for reduced downtime during use.\u003c\/li\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003eLong Cycle Life:\u003c\/strong\u003e Retains 60% capacity after 600 cycles at 30A, ensuring performance longevity.\u003c\/li\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Discharges from -30°C to 75°C, ideal for harsh environments.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cbr\u003e\r\n\u003cp\u003eThe Ampace JP40 is a rugged 21700 Li-ion cell engineered for demanding energy systems. With a 70A max continuous discharge, this cell is designed to push performance boundaries while maintaining thermal stability and long-term reliability. Whether you're building an EV battery pack or a high-drain industrial system, the JP40 offers a balanced combination of power, speed, and cycle life.\u003c\/p\u003e\r\n\u003cbr\u003e\r\n\u003ch4\u003eApplications\/Uses\u003c\/h4\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003ee-Bikes \u0026amp; e-Motorcycles:\u003c\/strong\u003e Power systems that demand high output and thermal stability.\u003c\/li\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003ePower Tool Packs:\u003c\/strong\u003e Reliable energy for heavy-duty applications with short burst requirements.\u003c\/li\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003eCustom Energy Systems:\u003c\/strong\u003e Great for robotics, drones, and battery banks with extreme demands.\u003c\/li\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003eOutdoor Equipment:\u003c\/strong\u003e Operates in cold or hot conditions without performance compromise.\u003c\/li\u003e\r\n  \u003cli\u003e\n\u003cstrong\u003eDIY Projects:\u003c\/strong\u003e Ideal for builders seeking top-tier high-drain 21700 cells.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cbr\u003e\r\n\u003ch4\u003eSPECIFICATIONS\u003c\/h4\u003e\r\n\u003cdiv class=\"table-wrapper\"\u003e\r\n  \u003ctable\u003e\r\n    \u003ctbody\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eManufacturer:\u003c\/td\u003e\n\u003ctd\u003eAmpace\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eModel:\u003c\/td\u003e\n\u003ctd\u003eJP40\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eSize:\u003c\/td\u003e\n\u003ctd\u003e21700\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003ePositive Terminal:\u003c\/td\u003e\n\u003ctd\u003eFlat Top\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eNominal Capacity:\u003c\/td\u003e\n\u003ctd\u003e4000mAh\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eContinuous Discharge Rating:\u003c\/td\u003e\n\u003ctd\u003e60A (No cutoff), 70A (with temp cutoff)\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003ePulse Discharge (5s):\u003c\/td\u003e\n\u003ctd\u003e140A\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eNominal Voltage:\u003c\/td\u003e\n\u003ctd\u003e3.7V\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eMaximum Voltage:\u003c\/td\u003e\n\u003ctd\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eDischarge Cut-Off Voltage:\u003c\/td\u003e\n\u003ctd\u003e2.5V\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eStandard Charge Current:\u003c\/td\u003e\n\u003ctd\u003e4A\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eFast Charge Current:\u003c\/td\u003e\n\u003ctd\u003e8A\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eCycle Life:\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;=2400mAh after 600 cycles @ 30A\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eOperating Temperature:\u003c\/td\u003e\n\u003ctd\u003e-30°C to 75°C (discharge) \/ 0°C to 60°C (charge)\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eRechargeable:\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eApprox. Dimensions:\u003c\/td\u003e\n\u003ctd\u003e21.1mm x 70.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eApprox. Weight:\u003c\/td\u003e\n\u003ctd\u003e68g\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eProtected:\u003c\/td\u003e\n\u003ctd\u003eNo, Unprotected\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eCountry of Origin:\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\r\n      \u003ctr\u003e\n\u003ctd\u003eData Sheet:\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0670\/0125\/3945\/files\/Ampace_JP40_21700_Li.pdf?v=1755641185\" target=\"_blank\" rel=\"noopener\"\u003eAmpace JP40 Datasheet\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\r\n    \u003c\/tbody\u003e\r\n  \u003c\/table\u003e\r\n\u003c\/div\u003e\r\n","brand":"Ampace","offers":[{"title":"Default Title","offer_id":44804526407737,"sku":"AMPACE-JP40","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/0125\/3945\/files\/AMPACE-JP40.jpg?v=1763074675"}],"url":"https:\/\/imrbatteries.com\/collections\/ampace-21700-batteries.oembed","provider":"IMR Batteries","version":"1.0","type":"link"}