4-bay USB lithium battery charger, 4.2V Output for Multiple Sizes 3.7V Rechargeable Lithium Batteries. USB power supply makes it ideal for charging batteries for flashlights, headlamps and DIY power backup systems, perfect for home use during load shedding.
Key Features
Wide Compatibility
Works for most 3.7V lithium batteries: 18650, 10400, 14500, 16340, 16650, 14650, 18350, 18500.
Independent Charging Slots
Four separate charging channels. You can charge any number of batteries from 1 to 4 with no interference.
Dual Color LED Indicator
Red light while charging; turns green once fully charged. The charger automatically cuts off power to avoid overcharging and protect battery lifespan.
Reverse Connection Protection
Power will be disconnected automatically if the battery is installed backwards, effectively avoiding damage.
Standard USB Power Supply
Input: DC 5V, 1-2A, works with regular USB wall chargers, power banks and laptop USB ports.
Output: DC 4.2V, 1000mA.
Important Note
This charger is exclusively for 3.7V lithium-ion batteries. It is not compatible with Ni-MH rechargeable batteries or ordinary dry cells.
Specifications
Color: Black
Slots: 4 independent bays
Dimensions: 82mm x 103mm x 22mm
What's in the box
1 x Lithium Battery Charger
1 x Charging cable
