{"product_id":"swislight-inr-26650-a-3-7v-7000mah-21a-high-drain-li-ion-battery-35a-peak-18m-cf-89-ultra-low-ir-for-high-power-devices-flat-large-button-small-button-top-2pcs","title":"SwisLight INR 26650 A 3.7V 7000mAh 21A High-Drain Li-ion Battery – 35A Peak, 18mΩ Ultra-Low IR for High-Power Devices (Flat\/Large Button\/Small Button Top, 2pcs)","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eThe SwisLight INR 26650 A is a flagship-grade 26650 lithium-ion battery engineered for extreme capacity and high-power performance. This \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2pcs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e bundle delivers a massive 7000mAh (25.9Wh) capacity, an impressive \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e21A continuous discharge current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (35A peak), and an ultra-low internal resistance of just \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e18mΩ\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. It sets a new standard for high-power, high-capacity 26650 cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eBuilt with advanced ternary lithium chemistry, this battery offers high energy density, exceptional power delivery, and reliable performance under sustained heavy loads. It is the ultimate power source for high-intensity tactical flashlights, professional camera flashes, high-torque power tools, and custom series battery packs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eTo suit your specific device requirements, we offer \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3 top-terminal variants\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlat Top (2pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Length 65.2mm. Flat positive terminal. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNOT suitable for series connection.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal for single-cell devices or battery pack assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLarge Button Top (2pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Length 67.3mm. Large protruding positive terminal. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSupports series connection\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (please specify when ordering).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSmall Button Top (2pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Length 66.3mm. Small protruding positive terminal. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSupports series connection\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (default shipping version).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2pcs of SwisLight INR 26650 A Premium Cells:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High-quality Swiss-designed 26650 Li-ion batteries with a true 7000mAh capacity.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e7000mAh \/ 25.9Wh High Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides massive energy storage for extended runtimes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e21A High Continuous Discharge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers a powerful 21A continuous output (35A peak) for demanding applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eUltra-Low Internal Resistance (18mΩ):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ensures minimal heat generation and maximum power transfer efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTernary Lithium Chemistry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides high energy density and excellent power delivery.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eVersatile Top Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Choose from Flat Top (non-serializable), Large Button Top, or Small Button Top (both serializable) to match your device.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSwiss Engineering Quality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Built to high standards for durability, consistency, and reliable performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStandard 26650 Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Perfectly fits standard 26650 battery compartments (26.2mm diameter).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Parameters:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e SwisLight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e INR 26650 A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSize:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 26650\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCapacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 7000mAh \/ 25.9Wh\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNominal Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 3.7V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eUsage Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 2.75V to 4.25V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eContinuous Discharge Current:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 21A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePeak Discharge Current:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 35A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eChemistry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ternary Li-ion (Lithium Ion)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eInternal Resistance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 18mΩ (Flat) \/ 18-20mΩ (Button Top)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 95g (Flat) \/ 97g (Button Top)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eVariant Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Flat Top (65.2mm) \/ Large Button Top (67.3mm) \/ Small Button Top (66.3mm)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSeries Connection Support:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Yes (Button Top variants) \/ No (Flat Top)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 26.2mm (Diameter) x Height varies by variant\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePack Quantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 2pcs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Intensity Tactical Flashlights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powers the brightest tactical flashlights and searchlights with sustained 21A energy.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProfessional Camera Flashes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers 35A peak power for rapid recycle times and burst shooting.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Torque Cordless Power Tools:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Drives demanding power tools, impact drivers, and electric drills.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Performance RC Hobbies \u0026amp; Drones:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides sustained high-current power for high-torque RC cars and heavy-lift drones.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMulti-Battery Series Battery Packs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Button Top variants are ideal for building custom 24V, 36V, or 48V high-power battery packs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFrequently Asked Questions (FAQ):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: What is the difference between the three variants?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: * \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlat Top (65.2mm):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Flat positive terminal. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNOT suitable for series connection.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e * \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLarge Button Top (67.3mm):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Large protruding terminal. Supports series connection. Please specify when ordering.\u003c\/span\u003e\u003cspan class=\"\"\u003e * \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSmall Button Top (66.3mm):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Small protruding terminal. Supports series connection. (Default shipping version.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What is the discharge current of this battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: This SwisLight INR 26650 A is rated for a powerful \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e21A continuous discharge current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e35A peak\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, making it one of the highest-performing 26650 cells available.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What is the advantage of the 18mΩ ultra-low internal resistance?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: 18mΩ is exceptionally low for a 26650 cell. This means the battery generates very little heat and loses almost no energy during high-current discharge, maximizing performance and protecting your equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: Can I use these batteries in series?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: Yes, the Large Button Top and Small Button Top variants support series connection. The Flat Top variant does NOT support series connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: What kind of charger should I use for this battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: You must use a charger specifically designed for 3.6V\/3.7V Li-ion batteries with a 4.2V cut-off voltage. Do not use a standard AA\/AAA Ni-MH charger.\u003c\/span\u003e\u003c\/p\u003e","brand":"SwisLight","offers":[{"title":"Flat Top","offer_id":51454214242550,"sku":"OAS1152","price":22.98,"currency_code":"USD","in_stock":true},{"title":"Large button top","offer_id":51454214275318,"sku":"OAS1153","price":22.98,"currency_code":"USD","in_stock":true},{"title":"Small button top","offer_id":51454214308086,"sku":"OAS1154","price":22.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/swislight-inr26650a-7000mah-21a-ultra-low-ir-battery-main-1_3beae59d-a53b-46f5-8f0e-4a5dc68c64d1.webp?v=1786968298","url":"https:\/\/oneandes.com\/products\/swislight-inr-26650-a-3-7v-7000mah-21a-high-drain-li-ion-battery-35a-peak-18m-cf-89-ultra-low-ir-for-high-power-devices-flat-large-button-small-button-top-2pcs","provider":"OneAndes","version":"1.0","type":"link"}