{"product_id":"bak-2-pack-21700-full-tab-5000mah-50a-high-drain-li-ion-battery-n21700cg-50d","title":"BAK 21700 50D 5000mAh 3.7V High-Drain Battery – Tabless Technology, 4mΩ Ultra-Low IR, -40°C to 60°C Wide Temperature for High-Power Devices (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 BAK 21700 50D is a next-generation high-drain lithium-ion battery engineered with advanced \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003etabless technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. This 2pcs bundle delivers a massive 5000mAh capacity, an ultra-low internal resistance of just \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4mΩ\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, and a wide operating temperature range from \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e-40°C to 60°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. It sets a new standard for 21700 performance, providing explosive power and exceptional reliability even in extreme cold environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eUnlike traditional cells that use threaded or spiral-welded negative terminals, the BAK 50D features a unique spot-welded negative terminal design. This advanced manufacturing process contributes to its ultra-low resistance and superior performance. With its wide temperature range, it is the ultimate power source for high-power devices, cold-weather flashlights, electric tools, and outdoor equipment.\u003c\/span\u003e\u003c\/p\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=\"\"\u003eBAK 21700 50D Premium Cell:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Next-generation high-drain Li-ion battery with advanced tabless technology.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e5000mAh High Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides massive energy 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=\"\"\u003eUltra-Low Internal Resistance (4mΩ):\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=\"\"\u003eWide Operating Temperature (-40°C to 60°C):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers reliable performance in extreme cold and hot environments, perfect for northern winters.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eAdvanced Tabless Technology:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Newer tabless design offers lower internal resistance and better performance compared to traditional spiral-welded cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eUnique Spot-Welded Negative Terminal:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Features a spot-welded imprint at the negative terminal, a distinct mark of its advanced manufacturing process.\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 21700 Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Perfectly fits standard 21700 battery compartments (21mm x 70mm).\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 Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal for high-power flashlights, electric tools, drones, and outdoor gear.\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 BAK \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 50D\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 21700\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 5000mAh\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=\"\"\u003eFull Charge Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 4.2V\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 Approx. 4mΩ (Tested at low temperature)\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 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=\"\"\u003eOperating Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e -40°C to 60°C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNegative Terminal:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Spot-welded imprint (Non-threaded\/Non-spiral)\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 21mm (Diameter) x 70mm (Height)\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-Power Tactical Flashlights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powers the brightest flashlights and searchlights with extreme 4mΩ low internal resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCold-Weather Outdoor Gear:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal for outdoor equipment and power tools used in extreme cold environments.\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 Drones \u0026amp; RC Hobbies:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides sustained high-current power for heavy-lift drones and RC vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCordless Power Tools:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers high-power output for demanding power tools 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=\"\"\u003eProfessional Industrial Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Reliable power for industrial applications requiring high discharge and wide temperature tolerance.\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 advantage of tabless technology?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: Tabless technology eliminates the traditional spiral or threaded connections, resulting in significantly lower internal resistance. For the BAK 50D, this translates to an ultra-low 4mΩ IR, which means less heat generation and more power delivered to your device.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What is the operating temperature range of this battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: The BAK 50D has an impressive operating temperature range of \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e-40°C to 60°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. This makes it the ideal choice for devices used in extreme cold environments, such as northern winters or high-altitude operations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: Is the 5000mAh capacity real?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: Yes. The BAK 50D delivers a true 5000mAh capacity, providing reliable, long-lasting energy for high-drain devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: How does the negative terminal differ from traditional batteries?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: Unlike traditional batteries that use threaded or spiral-welded negative terminals, the BAK 50D features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003espot-welded imprint\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e at the negative terminal. This advanced manufacturing technique is a hallmark of its superior engineering.\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":"Bak","offers":[{"title":"Default Title","offer_id":51454210441462,"sku":"OAS1103","price":15.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/bak-n21700cg-50d-21700-fulltab-2pack-front_4f1dd6bc-9d7f-46ee-85bd-bf6e3494ca40.webp?v=1786968077","url":"https:\/\/oneandes.com\/products\/bak-2-pack-21700-full-tab-5000mah-50a-high-drain-li-ion-battery-n21700cg-50d","provider":"OneAndes","version":"1.0","type":"link"}