{"product_id":"samsung-2pack-21700-3-6v-rechargeable-battery-4900mah-15a-flat-top-li-ion-batteries-for-flashlight-headlamp-camera","title":"Samsung 50E 21700 Battery 2Pack - 5000mAh 9.8A High Capacity Long Run Time (INR21700-50E)","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eMaximize your runtime with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2Pack Samsung 50E 21700 Battery\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (Model: INR21700-50E). Engineered for high-capacity applications, this 21700 lithium-ion cell delivers an impressive \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e5000mAh capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e with a stable \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e9.8A continuous discharge\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (20A pulse), making it the perfect choice for devices that need to run longer between charges. Whether you are upgrading your e-bike battery pack, powering a high-lumen flashlight, or building a portable power station, the Samsung 50E provides reliable, safe, and consistent energy. This listing includes \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003etwo individual cells\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (not pre-assembled), giving you the flexibility to configure them in series or parallel for your specific project needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eUltra-High Capacity (5000mAh):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Offers 25% more capacity than standard 21700 cells (e.g., 40T), significantly extending the runtime of your devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStable 9.8A Continuous Discharge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Designed for moderate to high-drain applications without overheating or voltage sag, ensuring consistent 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=\"\"\u003eUp to 20A Pulse Discharge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Supports short bursts of high power, suitable for e-bike acceleration, power tool startup, or flashlight strobe functions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eAuthentic Samsung Quality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Premium-grade INR21700-50E cells with excellent cycle life, safety, and voltage stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlat Top Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Standard flat top configuration, compatible with most battery holders, spring-loaded contacts, and DIY battery pack builds.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2-Pack Value:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Two independent cells, allowing you to build 1S, 2S, 3S, or parallel packs to achieve desired voltage or capacity.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eTechnical Parameters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003ctable style=\"width: 99.9972%; height: 254.667px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003cth style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eValue\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eBrand \u0026amp; Model\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eSamsung INR21700-50E\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eBattery Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eLithium-Ion (Li-Ion)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eSize\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003e21700 (Diameter 21mm, Height 70mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eCapacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003e5000mAh (Minimum 4900mAh)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eNominal Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003e3.6V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eFull Charge Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003e4.2V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eCut-off Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003e2.5V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eContinuous Discharge Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003e9.8A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003ePulse Discharge Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eUp to 20A (not for continuous use)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003ePositive Terminal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eFlat Top\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eProtection Circuit\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eNo (Unprotected Flat Top Cell)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 42.3734%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003eQuantity in Package\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.9137%; height: 19.5898px;\"\u003e\u003cspan class=\"\"\u003e2 Pcs (2Pack)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eElectric Bikes (E-Bikes) \/ E-Scooters \/ E-Skateboards:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Building or upgrading battery packs for longer range and extended ride times.\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-Power Flashlights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powering high-lumen tactical flashlights, searchlights, and headlamps for extended use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePortable Power Stations:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Creating compact yet high-capacity battery banks for camping, emergency power, or off-grid 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=\"\"\u003ePower Tools:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Retrofitting cordless drills, impact drivers, and rotary tools for longer work sessions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDIY Projects:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Building custom 2S, 3S, 4S, or larger battery packs for robotics, drones, or solar storage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eOutdoor \u0026amp; Camping Gear:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powering portable fans, heated jackets, and camping lights.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: Does '2Pack' mean it's a 2S battery pack assembled together?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: No. \"2Pack\" means you will receive \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003etwo separate individual cells\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. You will need to assemble them in series, parallel, or a specific configuration based on your device's requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: Can I use these batteries directly in my E-Bike?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: A single 3.6V cell is not enough for an e-bike (which typically requires 36V, 48V, or 52V). You must build a battery pack using multiple cells wired in series. For a 48V e-bike, you typically need 13 cells in series (13S). Always consult a professional if you are unsure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: Does this battery have a protection circuit (PCB\/BMS) built-in?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: No. The Samsung 50E is an \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eunprotected flat-top\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e cell. It relies on the external device or a BMS (Battery Management System) to handle overcharge, over-discharge, and short-circuit protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: What is the difference between Samsung 50E and 40T?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: The 50E has a higher capacity (5000mAh vs 4000mAh) but lower continuous discharge (9.8A vs 35A). The 50E is best for \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003elong runtime\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, while the 40T is best for \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ehigh power\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e applications like power tools or heavy e-bikes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: What charger should I use?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: Use a dedicated intelligent Li-Ion charger designed for 3.6V\/4.2V cells. Ensure the charger supports the correct voltage for your specific pack setup (e.g., 1S charger for single cells, 2S charger for 2 cells in series).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ6: How do I identify positive and negative terminals?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: The \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eflat top\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (the side with the Samsung logo and model number) is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePositive (+) terminal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ebottom\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (the side with the shiny metal casing and a slight indentation) is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNegative (-) terminal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Samsung","offers":[{"title":"Default Title","offer_id":51454100144374,"sku":"OAS174","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/samsung-2pack-21700-4900mAh-15A-main-1_1a2b2810-ac52-48f9-a8df-cd59b9fe4b72.webp?v=1786965269","url":"https:\/\/oneandes.com\/products\/samsung-2pack-21700-3-6v-rechargeable-battery-4900mah-15a-flat-top-li-ion-batteries-for-flashlight-headlamp-camera","provider":"OneAndes","version":"1.0","type":"link"}