{"product_id":"2-pack-samsung-40t-21700-4000mah-3-6v-35a-high-drain-battery-flat-top-button-top-tabs-pre-wired-protected-options","title":"Samsung SDI INR21700-40T 4000mAh 40A 3.7V High-Drain Li-ion Battery – 10C Discharge, 8mΩ Ultra-Low IR for High-Power Tools \u0026 Drones (Flat\/Button\/Welded\/Wired\/Protected Options, 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 Samsung SDI INR21700-40T is a premium-grade 21700 lithium-ion battery cell engineered for extreme high-power, high-torque applications. \u003c\/span\u003e\u003cspan class=\"\"\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2pcs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e bundle delivers a true 4000mAh capacity, an impressive \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e40A (10C) continuous discharge current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, and an ultra-low internal resistance as low as \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e8mΩ\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (flat type), providing explosive, sustained power for the most demanding devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eManufactured by Samsung SDI, a global leader in battery technology, the 40T cell offers a 1000+ cycle life with ≥90% capacity retention. It features a built-in safety valve with an explosion-proof design, safely venting internal gases to prevent swelling or rupture. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eEvery single cell is individually tested and measured before shipping to ensure genuine capacity and consistent 8mΩ internal resistance.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eTo suit your specific project needs, we offer \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e5 customized options\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 Standard 21mm x 70mm flat terminal (8mΩ IR).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eButton Top (2pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 21mm x 73mm with a protruding nub for recessed contacts (~12mΩ IR).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSpot-Welded Tabs (2pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Pre-welded nickel strips for easy connection (8mΩ IR).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eWired (Red\/Black) (2pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Pre-soldered positive and negative wires for plug-and-play convenience (8mΩ IR).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBuilt-in Protection Board (2pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Includes over-charge, over-discharge, and over-current protection (5A discharge limit; size: 21.5mm x 75mm).\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 Authentic Samsung SDI INR21700-40T Cells:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Premium-grade, top-tier 21700 Li-ion battery.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4000mAh True Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides 4000mAh of reliable 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=\"\"\u003e40A (10C) High Continuous Discharge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers an extreme 40A power output with minimal voltage sag.\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 (8mΩ Flat):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ensures virtually no 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=\"\"\u003eIndividually Tested Before Shipping:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Every cell undergoes rigorous testing to confirm 8mΩ IR and true 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=\"\"\u003e1000+ Cycle Life (≥90% Retention):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Offers excellent long-term value and durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBuilt-In Safety Valve:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Explosion-proof design safely releases internal gases in extreme conditions.\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 5 Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Choose from Flat Top, Button Top, Welded Tabs, Wired, or Protected versions.\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 (Based on Provided Specs):\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 Samsung SDI\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 INR21700-40T\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 4000mAh (Typical) \/ 3900mAh (Minimum)\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 \/ 3.6V\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=\"\"\u003eContinuous Discharge Current:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 40A (10C)\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 8mΩ (Flat\/Welded\/Wired) \/ ~12mΩ (Button)\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 Approx.\u003c\/span\u003e\u003cspan class=\"\"\u003e 68g\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCycle Life:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e ≥ 1000 cycles (≥90% retention after 1000 cycles)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSafety:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Positive terminal safety valve, explosion-proof design\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 (Based on Variant):\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=\"\"\u003eFlat Top \/ Welded \/ Wired:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 21mm (Dia) x 70mm (H)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eButton Top:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 21mm (Dia) x 73mm (H)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProtected Board:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 21.5mm (Dia) x 75mm (H)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\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 (Selectable)\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-Torque Cordless Power Tools:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Drives heavy-duty drills, impact drivers, and saws demanding 40A burst power.\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 Sustained high-current power for high-torque RC cars and professional UAVs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eElectric Scooters \u0026amp; Light EV Conversions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Reliable high-power cells for e-scooter and e-bike battery packs.\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-Capacity Portable Power Stations:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal core cell for building high-power portable energy storage systems.\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 Automotive \u0026amp; Industrial Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High-performance reliability for demanding industrial machinery and tools.\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 discharge current of this 40T battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: The Samsung 40T is rated for an impressive \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e40A (10C) continuous discharge current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, making it one of the most powerful 21700 cells available for high-drain applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What is the advantage of the 8mΩ ultra-low internal resistance?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: 8mΩ is an exceptionally low resistance for a 21700 cell. This means the battery generates virtually no heat and loses almost no energy during 40A discharge, maximizing performance and minimizing thermal stress on your equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: Is every cell tested before shipping?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: Yes. As shown in our product images, \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eevery single cell is individually tested before shipping\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. We measure and confirm the internal resistance (8mΩ) and capacity to ensure you receive the genuine product you paid for.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4Q: 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. A smart charger with over-charge protection is highly recommended.\u003c\/span\u003e\u003c\/p\u003e","brand":"Samsung","offers":[{"title":"Flat Top","offer_id":51454208147702,"sku":"OAS1050","price":13.58,"currency_code":"USD","in_stock":true},{"title":"Button Top","offer_id":51454208180470,"sku":"OAS1051","price":14.58,"currency_code":"USD","in_stock":true},{"title":"Spot Welded Tabs","offer_id":51454208213238,"sku":"OAS1052","price":14.58,"currency_code":"USD","in_stock":true},{"title":"Pre-wired with Leads","offer_id":51454208246006,"sku":"OAS1053","price":14.58,"currency_code":"USD","in_stock":true},{"title":"Protected Top","offer_id":51454208278774,"sku":"OAS1054","price":15.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/samsung-40t-2pack-terminal-options-family-Flat-Top_4120a5d9-a9f2-4cd9-a395-840a868c017d.webp?v=1786968050","url":"https:\/\/oneandes.com\/products\/2-pack-samsung-40t-21700-4000mah-3-6v-35a-high-drain-battery-flat-top-button-top-tabs-pre-wired-protected-options","provider":"OneAndes","version":"1.0","type":"link"}