{"product_id":"2-pack-molicel-p42a-21700-4200mah-3-7v-45a-ultra-high-drain-battery-flat-top-button-top-tabs-pre-wired-protected-options","title":"Molicel INR-21700-P42A 4200mAh 45A 3.7V High-Drain Li-ion Battery – 10C Discharge, ≤10mΩ Ultra-Low IR \u0026 -40°C Low-Temp Performance (Flat\/Button\/Welded\/Wired\/Protected Options, 2 Pcs)","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 Molicel INR-21700-P42A is a flagship-grade 21700 lithium-ion battery cell engineered for extreme high-power, high-torque, and extreme low-temperature applications. \u003c\/span\u003e\u003cspan class=\"\"\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2 Pcs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e bundle delivers a true 4200mAh capacity, a massive \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e45A (10C) continuous discharge current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, and an ultra-low internal resistance of \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e≤10mΩ\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, 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 Molicel, a global leader in high-performance battery technology, the P42A features exceptional low-temperature performance, capable of discharging reliably at temperatures as low as \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e-40°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003cspan class=\"\"\u003e It supports ultra-fast 90-minute charging and offers a 1000+ cycle life with ≥90% capacity retention. The built-in safety valve with an explosion-proof design safely vents internal gases to prevent swelling or rupture.\u003c\/span\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 (2 Pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Standard 21mm x 70mm flat terminal (≤10mΩ 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 (2 Pcs):\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 (2 Pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Pre-welded nickel strips for easy connection (~9mΩ 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) (2 Pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Pre-soldered positive and negative wires for plug-and-play convenience (~9mΩ 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 (2 Pcs):\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=\"\"\u003eAuthentic Molicel INR-21700-P42A Cell:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Premium-grade, Taiwanese Molicel 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=\"\"\u003e4200mAh True Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides 4200mAh 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=\"\"\u003e45A (10C) High Continuous Discharge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers an extreme 45A power output, among the highest in the 21700 class.\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 (≤10mΩ):\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=\"\"\u003e-40°C Extreme Low-Temperature Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Discharges reliably even 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=\"\"\u003e90-Minute Ultra-Fast Charging:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Supports rapid recharging to get you back in action quickly.\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 Molicel Official Spec Sheet):\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 Molicel \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-21700-P42A\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 4200mAh (Typical) \/ 4000mAh (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 45A (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 ≤10mΩ (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=\"\"\u003eCharging Time:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 90 minutes (Standard charge)\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 Temp - Discharging:\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=\"\"\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 21.4mm (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 21.4mm (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 2 Pcs (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 45A 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=\"\"\u003eExtreme Cold \u0026amp; High-Altitude Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal for outdoor winter gear, cold-weather flashlights, and high-altitude 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=\"\"\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 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=\"\"\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 P42A battery?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: The Molicel P42A is rated for an impressive \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e45A (10C) continuous discharge current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003cspan class=\"\"\u003e This is one of the highest in the 21700 class, making it the top choice for extreme power 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 ≤10mΩ ultra-low internal resistance?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: ≤10mΩ means this battery generates virtually no heat and loses almost no energy during 45A high-current discharge. This maximizes performance and minimizes thermal stress on your equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: Can this battery be used in sub-zero temperatures?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: Yes. According to the official spec sheet, the Molicel P42A supports discharging down to \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e-40°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e with stable performance. It is the ideal choice for outdoor winter gear, polar expeditions, and high-altitude operations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: How fast can this battery charge?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: The Molicel P42A supports rapid charging, reaching a full charge in just \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e90 minutes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e using a compatible 8.4A charger.\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 high-quality charger specifically designed for 3.6V\/3.7V Li-ion batteries with a 4.2V cut-off voltage. A smart charger capable of delivering 8.4A (1C) is recommended for optimal fast charging.\u003c\/span\u003e\u003c\/p\u003e","brand":"Molicel","offers":[{"title":"Flat Top","offer_id":51454207525110,"sku":"OAS1040","price":16.98,"currency_code":"USD","in_stock":true},{"title":"Button Top","offer_id":51454207557878,"sku":"OAS1041","price":16.98,"currency_code":"USD","in_stock":true},{"title":"Spot Welded Tabs","offer_id":51454207590646,"sku":"OAS1042","price":16.98,"currency_code":"USD","in_stock":true},{"title":"Pre-wired with Leads","offer_id":51454207623414,"sku":"OAS1043","price":16.98,"currency_code":"USD","in_stock":true},{"title":"Protected Top","offer_id":51454207656182,"sku":"OAS1044","price":17.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/molicel-2pack-21700-4200mAh-main_fe91362f-2a64-477b-b81a-302e09c0f1d3.webp?v=1786967941","url":"https:\/\/oneandes.com\/products\/2-pack-molicel-p42a-21700-4200mah-3-7v-45a-ultra-high-drain-battery-flat-top-button-top-tabs-pre-wired-protected-options","provider":"OneAndes","version":"1.0","type":"link"}