{"product_id":"keeppower-p2165c-protected-li-ion-rechargeable-21700-battery","title":"Keeppower P2165C Protected Li-ion Rechargeable 21700 Battery","description":"\u003cp data-end=\"272\" data-start=\"0\"\u003eThe Keeppower 21700 6500mAh Protected Li-ion Rechargeable Battery (P2165C) is a high-capacity power cell designed for users who demand long runtime, stable output, and reliable safety performance in high-drain devices such as powerful flashlights and portable electronics.\u003c\/p\u003e\n\n\u003cp data-end=\"571\" data-start=\"274\"\u003eWith an impressive 6500mAh ultra-high energy density in the 21700 format, it significantly extends operating time while maintaining a stable 3.6V nominal voltage. Its optimized internal chemistry delivers consistent discharge performance, reducing voltage sag even under demanding load conditions.\u003c\/p\u003e\n\n\u003cp data-end=\"836\" data-start=\"573\"\u003eBuilt with a premium Japanese PCM protection circuit, the cell provides multiple layers of safety, including overcharge, over-discharge, over-current, and short-circuit protection—ensuring dependable and worry-free use in both daily and professional applications.\u003c\/p\u003e\n\n\u003cp data-end=\"1043\" data-start=\"838\"\u003eThe battery supports efficient CC-CV charging, offers strong cycle life (500+ charge cycles), and is engineered for low internal resistance, enabling smoother power delivery and improved device efficiency.\u003c\/p\u003e\n\n\u003cp data-end=\"1302\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"1045\"\u003eEncased in a robust industrial-grade shell, it is built for durability, safety, and long-term stability, making it an ideal choice for high-performance flashlights, outdoor gear, and critical backup power systems where endurance and reliability matter most.\u003c\/p\u003e\n\n\u003cdiv\u003e●  Model: P2165C\u003c\/div\u003e\n\n\u003cdiv\u003e●  Nominal Capacity: 6500mAh\u003cbr\u003e\n●  Minimum Capacity:6500mAh\u003cbr\u003e\n●  Nominal Voltage: 3.6V\u003cbr\u003e\n●  Charging Method: CC-CV\u003cbr\u003e\n●  Standard Charging\/Discharging Current: 1.3A\u003cbr\u003e\n●  Maximum Charging Current: 4.55A\u003cbr\u003e\n●  Maximum Discharging Current: 13A\u003cbr\u003e\n●  In Built Safety Circuitry\u003cbr\u003e\n●  Protection Circuit (Against over charge, over discharge, over current and short-circuit.)\u003cbr\u003e\n●  4.20V maximum voltage and 2.50V cut-off voltage\u003cbr\u003e\n●  Over 500 charge-discharge cycles\u003cbr\u003e\n●  Weight: 76.5g\u003cbr\u003e\n●  Dimensions: （D）22.0*（L）75.2mm(±0.2mm)\u003cbr\u003e\n●  Temperature\u003cbr\u003e\nCharge: 0 to +45° C\u003cbr\u003e\nDischarge: -20 to +60° C\u003cbr\u003e\nStorage: -20 to +60° C (Less than 1 month)\u003cbr\u003e\n-20 to +45° C (Less than 3 month)\u003c\/div\u003e\n","brand":"Keeppower","offers":[{"title":"1pcs","offer_id":47518047502485,"sku":"P2165C-1pcs","price":21.99,"currency_code":"USD","in_stock":true},{"title":"2pcs","offer_id":47518047535253,"sku":"P2165C-2pcs","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/7039\/6821\/files\/f977295a3a4ef3442e26db3338f4d7f8.jpg?v=1782980226","url":"https:\/\/flashlightgo.com\/products\/keeppower-p2165c-protected-li-ion-rechargeable-21700-battery","provider":"flashlightgo","version":"1.0","type":"link"}