{"title":"Tenpower 21700 Batteries","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eTenpower 21700 cells are tabless, high-drain lithium-ion cells made to push real current in demanding builds.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eTenpower focuses on high-output cylindrical cells, and its 21700 line — like the 50XG (5000mAh, 90A-class) — combines strong discharge with genuine capacity. The tabless design lowers internal resistance by connecting across the full electrode edge rather than through one tab, which means flatter voltage under load, less heat, and output that holds through the discharge.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eStepping up from 18650, that mix of capacity and high current makes Tenpower a strong option for drones, e-mobility, and other high-output 21700 builds.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eWhy builders choose them\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eTabless design — low resistance, flat discharge, cooler under load\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSerious high-drain current capability\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHigh-capacity options including the 90A-class 50XG\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e21700 capacity and energy advantage over 18650\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eBuilt for\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHigh-output drone and UAV packs\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eE-bike, e-scooter, and light EV builds\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHigh-drain RC and performance applications\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCustom 21700 pack assembly where current matters\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"tenpower-50xg-21700-5000mah-90a-battery","title":"TENPOWER 50XG 21700 5000mAh 90A Tabless Battery","description":"\u003ch4\u003eKey Features\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh Energy Capacity:\u003c\/strong\u003e 5000mAh nominal capacity supports extended runtime in demanding applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExtreme Discharge Capability:\u003c\/strong\u003e Up to 40A continuous discharge without temperature cutoff and up to 90A with 75°C cutoff.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUltra-Low Internal Resistance:\u003c\/strong\u003e ≤4mΩ (AC 1kHz @ 25°C, 30% SOC) minimizes voltage sag and improves efficiency.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-Power INR Chemistry:\u003c\/strong\u003e Lithium-ion formulation optimized for stability, performance, and durability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlat Top Unprotected Design:\u003c\/strong\u003e Intended for integration into engineered battery packs with appropriate BMS and protection circuitry.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eOverview\u003c\/h4\u003e \u003cp\u003eThe TENPOWER INR21700-50XG is a high-output lithium-ion battery cell engineered for professional applications that demand both high current delivery and strong energy density. Featuring a 5000mAh nominal capacity and exceptionally low internal resistance, the 50XG provides stable voltage performance and reduced thermal stress under load. Designed for battery pack assembly, this flat-top unprotected cell delivers up to 40A continuous discharge — and up to 90A continuous when operating with a temperature cutoff — making it ideal for advanced power systems and high-performance mobility solutions.\u003c\/p\u003e \u003ch4\u003eApplications \/ Uses\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eElectric vehicles and e-mobility systems\u003c\/li\u003e \u003cli\u003eHigh-performance battery pack assemblies\u003c\/li\u003e \u003cli\u003ePower tools and industrial equipment\u003c\/li\u003e \u003cli\u003eRobotics and automation platforms\u003c\/li\u003e \u003cli\u003eEnergy storage systems (ESS)\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eSPECIFICATIONS\u003c\/h4\u003e \u003cdiv class=\"table-wrapper\"\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e\n\u003ctd\u003eBrand:\u003c\/td\u003e\n\u003ctd\u003eTENPOWER\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eModel:\u003c\/td\u003e\n\u003ctd\u003eINR21700-50XG\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eBattery Type:\u003c\/td\u003e\n\u003ctd\u003e21700 Lithium-Ion (INR)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eNominal Capacity:\u003c\/td\u003e\n\u003ctd\u003e5000mAh\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eMinimum Capacity:\u003c\/td\u003e\n\u003ctd\u003e4950mAh\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eNominal Voltage:\u003c\/td\u003e\n\u003ctd\u003e3.6V\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eFull Charge Voltage:\u003c\/td\u003e\n\u003ctd\u003e4.2V (max 4.25V)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eDischarge Cutoff Voltage:\u003c\/td\u003e\n\u003ctd\u003e2.5V\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eMax Continuous Discharge:\u003c\/td\u003e\n\u003ctd\u003e40A (no temp cutoff) \/ 90A (75°C cutoff)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eMax Pulse Discharge:\u003c\/td\u003e\n\u003ctd\u003e140A (3 seconds)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eStandard Charge Rate:\u003c\/td\u003e\n\u003ctd\u003e0.5C (2.5A, CCCV)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eMax Charging Current:\u003c\/td\u003e\n\u003ctd\u003e15A\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eInternal Resistance:\u003c\/td\u003e\n\u003ctd\u003e≤4mΩ (AC 1kHz)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eCycle Life:\u003c\/td\u003e\n\u003ctd\u003e≥500 cycles (≥60% capacity retention)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eOperating Temperature:\u003c\/td\u003e\n\u003ctd\u003eCharge 0–45°C \/ Discharge −20–60°C\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eCell Surface Temperature:\u003c\/td\u003e\n\u003ctd\u003eDischarge up to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eBattery Top:\u003c\/td\u003e\n\u003ctd\u003eFlat Top\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eProtected:\u003c\/td\u003e\n\u003ctd\u003eNo (Unprotected Cell)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eDiameter:\u003c\/td\u003e\n\u003ctd\u003e≤21.50mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eLength:\u003c\/td\u003e\n\u003ctd\u003e≤70.50mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eWeight:\u003c\/td\u003e\n\u003ctd\u003e≤71g\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003chr\u003e","brand":"TENPOWER","offers":[{"title":"Default Title","offer_id":53800542699830,"sku":"TENPOWER-50XG","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/2761\/1190\/files\/TENPOWER-50XG.jpg?v=1777996824"},{"product_id":"tenpower-60xg-21700-6000mah-60a-battery","title":"TENPOWER 60XG 21700 6000mAh 60A Battery","description":"\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6000mAh High Capacity:\u003c\/strong\u003e Delivers exceptional runtime in high-demand equipment and professional battery pack designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Output Performance:\u003c\/strong\u003e 60A continuous discharge capability for sustained power delivery in advanced high-drain applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Current Capability:\u003c\/strong\u003e Peak discharge currents exceeding 160A for applications requiring short-duration high-current bursts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Resistance Design:\u003c\/strong\u003e AC internal resistance below 3mΩ minimizes resistive losses, reduces heat generation, and maintains stable voltage under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Integration Cell:\u003c\/strong\u003e Unprotected flat-top format provides full control through external BMS systems for professional pack engineering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eThe TENPOWER INR21700-60XG is a premium high-energy, high-power lithium-ion cell engineered for advanced mobility, industrial, and energy storage applications where conventional high-energy cells fall short. Achieving approximately 300 Wh\/kg gravimetric energy density alongside a 60A continuous discharge rating and peak currents above 160A, the 60XG operates well outside the performance envelope typically associated with a 6000mAh cylindrical cell. Its NCA cathode and graphite\/silicon carbide anode chemistry, combined with an AC internal resistance of less than 3mΩ, deliver stable voltage response and efficient energy transfer under demanding load conditions. Robust construction and high cycle durability make the INR21700-60XG a trusted choice for professional battery pack designers and engineers working at the frontier of cylindrical lithium-ion cell technology.\u003c\/p\u003e\n\u003ch4\u003eApplications \/ Uses\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eElectric vehicles and high-performance mobility platforms\u003c\/li\u003e\n\u003cli\u003eProfessional battery pack manufacturing and advanced pack engineering\u003c\/li\u003e\n\u003cli\u003eIndustrial and heavy-duty power tools requiring high continuous and peak current output\u003c\/li\u003e\n\u003cli\u003eRobotics, automation equipment, and AGV systems\u003c\/li\u003e\n\u003cli\u003eEnergy storage, backup power systems, and high-drain UAV applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand:\u003c\/td\u003e\n\u003ctd\u003eTENPOWER\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel:\u003c\/td\u003e\n\u003ctd\u003eINR21700-60XG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type:\u003c\/td\u003e\n\u003ctd\u003e21700 Lithium-Ion (INR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Capacity:\u003c\/td\u003e\n\u003ctd\u003e6000mAh (6.0Ah)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage:\u003c\/td\u003e\n\u003ctd\u003e3.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnergy per Cell:\u003c\/td\u003e\n\u003ctd\u003e21.6Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGravimetric Energy Density:\u003c\/td\u003e\n\u003ctd\u003e~300 Wh\/kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Continuous Discharge:\u003c\/td\u003e\n\u003ctd\u003e60A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Discharge Current:\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;160A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Internal Resistance:\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCathode Material:\u003c\/td\u003e\n\u003ctd\u003eNCA (Nickel Cobalt Aluminum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnode Material:\u003c\/td\u003e\n\u003ctd\u003eGraphite \/ Silicon Carbide (Gr\/SiC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Top:\u003c\/td\u003e\n\u003ctd\u003eFlat Top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtected:\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter:\u003c\/td\u003e\n\u003ctd\u003e21mm (Φ21)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight:\u003c\/td\u003e\n\u003ctd\u003e~73g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Volume:\u003c\/td\u003e\n\u003ctd\u003e25.36 cm³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelease Year:\u003c\/td\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"TENPOWER","offers":[{"title":"Default Title","offer_id":53912228921654,"sku":"TENPOWER-60XG","price":9.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/2761\/1190\/files\/TENPOWER-60XG.jpg?v=1776288652"}],"url":"https:\/\/18650battery.com\/collections\/tenpower-21700-batteries.oembed","provider":"18650Battery","version":"1.0","type":"link"}