{"product_id":"ms-5d82h-2-slot-intelligent-usb-battery-charger-for-18650-li-ion-batteries","title":"MS-5D82H 2-Slot Intelligent USB Battery Charger | Smart Charging for 18650, 14500 \u0026 3.7V Li-ion Batteries","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe \u003cstrong\u003eMS-5D82H 2-Slot Intelligent USB Battery Charger\u003c\/strong\u003e is a compact, highly efficient charging solution designed for a wide range of 3.7V cylindrical Lithium-ion batteries. Featuring two independently controlled charging slots, it allows you to charge batteries of different sizes and capacities simultaneously without interference. Powered by a universal USB interface, it easily plugs into standard wall adapters, power banks, or computer ports. Built-in smart IC technology automatically detects battery status, providing optimal current while protecting against overcharging, short-circuiting, and reverse polarity. Whether you need reliable power for high-lumen flashlights or are keeping the cells charged for your custom DIY drone kits and ESP32 sensor networks, this charger ensures your batteries remain healthy and ready for deployment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePeople also search for:\u003c\/strong\u003e MS-5D82H dual charger, 18650 usb charger, smart charger for 3.7v li-ion, 14500 battery charger, independent dual slot charger, portable lithium battery charger, safe 18650 charger.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e MS-5D82H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e DC 5V \/ 1A - 2A (Standard USB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e DC 4.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e ~1000mA (Shared across slots)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Battery Types:\u003c\/strong\u003e 3.7V Li-ion batteries (18650, 26650, 14500, 16340, 10440)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Channels:\u003c\/strong\u003e 2 Independent slots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus Indicators:\u003c\/strong\u003e LED lights (Red = Charging, Green = Fully Charged \/ Empty)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Features:\u003c\/strong\u003e Overcharge protection, over-discharge protection, reverse polarity protection, and short-circuit prevention.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eApplications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY Electronics \u0026amp; Robotics:\u003c\/strong\u003e Keeping 18650 cells charged to power custom robotic arms, drone kits, and high-drain microcontroller setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEveryday Carry (EDC):\u003c\/strong\u003e Recharging batteries for tactical LED flashlights and headlamps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable Power:\u003c\/strong\u003e Maintaining cells used in custom power banks and portable vaping devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIoT Projects:\u003c\/strong\u003e Swapping out fresh batteries for remote ESP32 or Raspberry Pi weather stations and sensor nodes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eUsage Notes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Polarity:\u003c\/strong\u003e Always ensure you insert the batteries matching the positive (+) and negative (-) markings inside the charger tray, although the built-in protection will prevent damage if accidentally reversed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e For the fastest and most stable charging times, connect the USB cable to a dedicated 5V\/2A wall adapter rather than a low-power laptop USB port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry Warning:\u003c\/strong\u003e This charger is specifically designed for \u003cstrong\u003e3.7V Lithium-ion (Li-ion)\u003c\/strong\u003e batteries. Do not attempt to charge 1.2V NiMH\/NiCd (like standard AA\/AAA rechargeable batteries) or non-rechargeable alkaline cells.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I charge an 18650 and a 14500 battery at the same time?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The MS-5D82H features independent charging channels, meaning you can mix and match different battery sizes and capacities safely.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does the charger automatically stop when the battery is full?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, it has an intelligent cut-off feature. Once a battery reaches its peak voltage (4.2V), the slot stops delivering current and the LED turns green to prevent overcharging.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How long does it take to charge two 18650 batteries?\u003c\/strong\u003e\u003cbr\u003e\nA: Charging time depends on the capacity (mAh) of your batteries and the power of your USB adapter. Typically, a standard 2000mAh 18650 battery will take about 3 to 4 hours to fully charge from empty.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are the batteries included with this charger?\u003c\/strong\u003e\u003cbr\u003e\nA: No, this listing is for the charger module only. Batteries must be sourced separately.\u003c\/p\u003e\n\n\u003ch5\u003ePackage Includes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e1 × MS-5D82H 2-Slot Intelligent USB Battery Charger (Cable attached or included)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TOMSON ELECTRONICS","offers":[{"title":"Default Title","offer_id":48005839618286,"sku":"BAT-17636","price":110.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2132\/9029\/files\/18650_2CELL_CHARGER.jpg?v=1778821820","url":"https:\/\/www.tomsonelectronics.com\/products\/ms-5d82h-2-slot-intelligent-usb-battery-charger-for-18650-li-ion-batteries","provider":"Tomson Electronics ","version":"1.0","type":"link"}