{"product_id":"powertac-2600mah-18650-rechargeable-battery","title":"Powertac 2600mAh 18650 Rechargeable Li-ion Battery with PCB Protection","description":"\u003ch2\u003eReliable 18650 Power with Built-In Protection\u003c\/h2\u003e\u003cp\u003eThe Powertac 2600mAh 18650 Rechargeable Li-ion Battery is built with internal PCB protection to prevent over-voltage, under-voltage, and short circuits — so your light performs consistently and your battery lasts through hundreds of charge cycles.\u003c\/p\u003e\u003ch2\u003eCompatible With\u003c\/h2\u003e\u003cp\u003eAny flashlight or device that accepts a standard 18650 Li-ion battery, including Powertac 18650-compatible models (M5, M6, E9, E11, FlexBeam, Warrior series, and more).\u003c\/p\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 2600mAh (nominal) \/ 2450mAh (minimum)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 3.6V nominal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle Life:\u003c\/strong\u003e 500+ cycles (90% capacity at 400 cycles)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temp:\u003c\/strong\u003e -20°C to 50°C (-4°F to 122°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 18mm × 66mm | Weight: ~46g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO9001-2000 manufactured, IEC tested\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePCB Protection Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver-voltage protection:\u003c\/strong\u003e Cuts off at 4.25V to prevent overcharging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnder-voltage protection:\u003c\/strong\u003e Cuts off at 2.5V to prevent deep discharge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort circuit protection:\u003c\/strong\u003e Safeguards your flashlight's electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAuthorized Powertac dealer. Genuine battery backed by Powertac's limited 30-day warranty (receipt required).\u003c\/strong\u003e\u003c\/p\u003e","brand":"Powertac","offers":[{"title":"Default Title","offer_id":43155850657890,"sku":"18650-P","price":15.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/7726\/9858\/files\/19650-P26-397White_1800x1800_c1eb50a9-1ccb-4d92-a682-7cbd7c8b66f2_36869479301360.png?v=1786319507","url":"https:\/\/lumexflashlights.com\/products\/powertac-2600mah-18650-rechargeable-battery","provider":"Lumex Flashlights","version":"1.0","type":"link"}