{"product_id":"powertac-2600-mah-lithium-ion-18650-rechargeable-battery","title":"Powertac - 2600 mAh Lithium-ion 18650 Rechargeable Battery","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe Powertac 2600mAh 18650 Rechargeable Battery is purpose-built for 18650-compatible torches and devices, delivering high energy density in a lightweight cylindrical cell. At 3.6V nominal and 2600mAh capacity, it's a reliable power source for tactical torches, EDC lights, and any 3.6V device where consistent output and low weight matter. It's manufactured under ISO9001-2000 quality standards and tested to IEC (International Electrotechnical Commission) specifications for capacity, quality, and service life.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eWhat sets this cell apart is the internal PCB protection circuit, a patented design that prevents over-voltage at 4.25V and under-voltage at 2.5V, safeguarding both the battery and the device it powers. Rated for over 500 charge cycles with 90% of initial capacity retained at 400 cycles, this is a battery built for repeated field use rather than a one-season replacement.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003eFeatures\u003c\/h4\u003e\n\u003cul dir=\"ltr\" 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 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eInternal PCB Protection\u003c\/strong\u003e: Patented protection circuit prevents over-voltage (cut-off at 4.25V) and under-voltage (cut-off at 2.5V), protecting the cell and connected device during charge and discharge.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHigh Capacity 18650 Cell\u003c\/strong\u003e: 2600mAh nominal capacity (2450mAh minimum) at 3.6V average, in a standard 18650 form factor weighing approximately 46g.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLong Cycle Life\u003c\/strong\u003e: Rated for 500+ charge cycles with 90% of initial capacity retained at 400 cycles.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWide Operating Temperature Range\u003c\/strong\u003e: Performs across -20°C to 50°C, reliable through cold overnight conditions and sustained use in Australian summer heat.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eQuality Tested to IEC Standards\u003c\/strong\u003e: Manufactured under ISO9001-2000 and independently tested to International Electrotechnical Commission standards for capacity, quality, and service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003eSpecifications\u003c\/h4\u003e\n\u003cul dir=\"ltr\" 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 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: Powertac\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCell Type\u003c\/strong\u003e: Lithium-Ion (Li-Ion) 18650 cylindrical rechargeable\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eNominal Capacity\u003c\/strong\u003e: 2600mAh\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMinimum Capacity\u003c\/strong\u003e: 2450mAh\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e: 3.6V\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCut-off Voltage\u003c\/strong\u003e: 3.0V\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eOver-Voltage Protection\u003c\/strong\u003e: 4.25V\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eUnder-Voltage Protection\u003c\/strong\u003e: 2.5V\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eInternal Impedance\u003c\/strong\u003e: ≤180 milliohm (with PTC)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMax Charge Current\u003c\/strong\u003e: 1.5C\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMax Discharge Current\u003c\/strong\u003e: 1.5C (continuous)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCharge Voltage\u003c\/strong\u003e: 4.2V\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCycle Life\u003c\/strong\u003e: 500+ cycles (90% capacity retained at 400 cycles)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: -20°C to 50°C\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 18mm (±0.2mm)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 66mm (±0.2mm)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: Approx. 46g\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eQuality Standard\u003c\/strong\u003e: ISO9001-2000\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTesting Standard\u003c\/strong\u003e: IEC (International Electrotechnical Commission)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powertac","offers":[{"title":"Default Title","offer_id":47035667579049,"sku":"18650-P26","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/9374\/4297\/files\/Powertac-2600mAhLithium-ion18650RechargeableBattery-TacSourceTActicalGear.png?v=1776750391","url":"https:\/\/www.tacsource.us\/products\/powertac-2600-mah-lithium-ion-18650-rechargeable-battery","provider":"TacSource","version":"1.0","type":"link"}