{"product_id":"18650-3400mah-rechargeable-battery","title":"18650 3.7V Rechargeable Battery with 3400mAh Capacity 3.7V Battery Type High Performance Batteries for Doorbells, Flashlights, Headlamps \u0026 More","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eExperience superior performance with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e18650 3.7V Rechargeable Battery 6.8A with 3400mAh Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e \u003cspan class=\"\"\u003eThis high-performance lithium-ion battery delivers an impressive \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3400mAh capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e paired with a stable \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e6.8A discharge rate\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, offering the perfect balance of extended runtime and reliable power output.\u003c\/span\u003e\u003cspan class=\"\"\u003e Whether you are powering a video doorbell, a high-lumen flashlight, a headlamp for night hiking, or any other compatible device, this battery provides the consistent, dependable energy you need. This listing offers \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eboth Button Top and Flat Top\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e versions, giving you the flexibility to choose the right terminal type for your device. With its high capacity and moderate discharge rate, this battery is an excellent choice for a wide range of everyday electronics.\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=\"\"\u003eHigh Capacity (3400mAh):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers 3400mAh of reliable energy, providing significantly longer runtime compared to standard 2200mAh batteries. Perfect for devices that require extended operation without frequent recharging.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e6.8A Discharge Rate:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Offers a stable 6.8A continuous discharge, suitable for medium-drain applications like high-lumen flashlights, headlamps, and video doorbells.\u003c\/span\u003e\u003cspan class=\"\"\u003e Provides consistent performance for daily 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=\"\"\u003eButton Top \u0026amp; Flat Top Available:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Choose the right terminal for your device.\u003c\/span\u003e\u003cspan class=\"\"\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlat Top\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e fits most modern devices (flashlights, DIY packs, headlamps).\u003c\/span\u003e\u003cspan class=\"\"\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eButton Top\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e is required for older devices and specific battery holders with spring-loaded contacts.\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 Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Designed to work with video doorbells, high-lumen flashlights, headlamps, portable fans, cameras, toys, radios, and many other devices requiring 18650 batteries.\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:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Engineered for reliable, long-lasting performance, ensuring your devices operate smoothly and efficiently.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRechargeable \u0026amp; Eco-Friendly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Can be recharged hundreds of times, reducing waste and saving money compared to disposable batteries. Environmentally conscious choice for daily use.\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\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eValue\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBattery Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eLithium-Ion (Li-Ion)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eSize\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e18650 (Diameter 18mm, Height 65mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCapacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3400mAh (Minimum 3300mAh)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3.7V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFull Charge Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e4.2V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCut-off Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2.75V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDischarge Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e6.8A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eChemistry\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eLithium-Ion (LiCoO₂ \/ LiMn₂O₄ blend)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eRecharge Cycles\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e1000+ cycles\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTerminal Options\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eButton Top \/ Flat Top (select at checkout)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eProtection Circuit\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eUnprotected (relies on device BMS)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eOperating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e-20°C to 60°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eStorage Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e-20°C to 45°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eQuantity in Package\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e1 Cell \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\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=\"\"\u003eVideo Doorbells:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powering wireless video doorbells for long-lasting, reliable operation without frequent battery changes.\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-Lumen Flashlights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powering tactical flashlights, searchlights, and everyday carry flashlights 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=\"\"\u003eHeadlamps:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Fueling headlamps for night hiking, camping, caving, and other outdoor activities requiring hands-free lighting.\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 Fans:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Running portable camping fans, desk fans, and handheld fans for hours of cooling comfort.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHome Electronics:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Replacing batteries in remote controls, wireless keyboards, and other household 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=\"\"\u003eToys \u0026amp; Hobbies:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powering remote-controlled cars, drones, robots, and other electronic toys.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePhotography \u0026amp; Video:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Running digital cameras, video lights, and other photography equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSecurity \u0026amp; Surveillance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powering wireless security cameras, motion sensors, and surveillance devices.\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: What is the difference between Button Top and Flat Top?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlat Top\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e has a flat positive terminal, compatible with most modern devices (flashlights, DIY packs, headlamps).\u003c\/span\u003e\u003cspan class=\"\"\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eButton Top\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e has a raised positive terminal (like a standard AA battery), required for older devices and certain battery holders with spring-loaded contacts.\u003c\/span\u003e\u003cspan class=\"\"\u003e Please select your desired version when placing your order.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What is the capacity of this battery?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: This battery has a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3400mAh capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (minimum 3300mAh), offering significantly more runtime than standard 2200mAh batteries. This makes it ideal for devices that need to run for extended periods without recharging.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What does 6.8A mean?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: 6.8A refers to the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003emaximum continuous discharge current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e of this battery.\u003c\/span\u003e\u003cspan class=\"\"\u003e This means it can safely deliver up to 6.8 amps of power continuously. This makes it suitable for medium-drain devices like bright flashlights and video doorbells, but \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003enot recommended for high-power applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e like vaping or heavy power tools.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: Is this battery suitable for my video doorbell?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: Yes. This battery is an excellent choice for video doorbells that require 18650 cells. Its 3400mAh capacity provides long runtime, and its 6.8A discharge rate is sufficient for most video doorbell power requirements. Please check your specific doorbell model's battery specifications before purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: Is this battery protected or unprotected?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: This is an \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eunprotected\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e cell.\u003c\/span\u003e\u003cspan class=\"\"\u003e It relies on your device's built-in BMS (Battery Management System) or protection circuit to handle overcharge, over-discharge, and short-circuit protection. This provides maximum flexibility for use in devices with built-in protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ6: How many times can this battery be recharged?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: This battery can be recharged approximately 10\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e00+ times\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, depending on usage and charging habits.\u003c\/span\u003e\u003cspan class=\"\"\u003e Proper care (using a quality charger, avoiding full discharge, and storing at moderate temperatures) will extend its lifespan.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ7: What charger should I use?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: Use a dedicated \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eintelligent Li-Ion charger\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e designed for 3.7V\/4.2V cells.\u003c\/span\u003e\u003cspan class=\"\"\u003e Do not use universal chargers designed for NiMH batteries. Look for chargers with overcharge protection and temperature monitoring features.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ8: 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 (or the raised button on button top version) is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePositive (+) terminal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e \u003cspan class=\"\"\u003eThe \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\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ9: How should I store this battery when not in use?\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cspan class=\"\"\u003eA: Store at a partial charge (around 40-60% capacity) in a cool, dry place away from direct sunlight and extreme temperatures. Do not store fully charged or fully depleted for extended periods.\u003c\/span\u003e\u003c\/p\u003e","brand":"DOUBLEPOW","offers":[{"title":"Button Top","offer_id":51454081728758,"sku":"5550DLP41","price":6.88,"currency_code":"USD","in_stock":true},{"title":"Flat Top","offer_id":51454081761526,"sku":"5550DLP42","price":6.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/3400mAh-high-performance-18650-battery-main-product_c49f8b31-fff3-4803-bfc3-d0568ea43381.webp?v=1786964640","url":"https:\/\/oneandes.com\/products\/18650-3400mah-rechargeable-battery","provider":"OneAndes","version":"1.0","type":"link"}