Li-ion Single Battery Charger – 18650 Lithium-Ion Battery Charging Module (USB Input)
The Li-ion Single Battery Charger is a compact and efficient charger designed to safely charge a single 18650 lithium-ion battery (3.7V). It features built-in overcharge protection, status LEDs, and USB input—ideal for DIY electronics, robotics, and power bank projects.
 
Key Features:
Single 18650 Battery Support
Designed to charge one 3.7V Li-ion 18650 cell efficiently and safely.
USB Powered
Accepts 5V input from USB ports, wall adapters, or power banks.
Smart Protection Circuitry
Built-in overcharge, short-circuit, and reverse polarity protection.
LED Charging Indicators
Red LED shows charging, green indicates full charge.
Compact and Lightweight
Ideal for portable and embedded applications.
 
Applications:
Charging standalone 18650 cells
DIY battery-powered electronics
Portable lighting and tools
Power bank and backup battery systems
Robotics and IoT projects
 
Package Includes:
1 × Li-ion Single Battery Charger for 18650 
 
Specifications:
Battery Type Supported: 18650 Li-ion (3.7V)
Number of Slots: 1
Input Voltage: 5V DC 
Charging Current: Up to 1A
Full Charge Voltage: 4.2V
Indicators: Red = Charging, Green = Charged
Protection: Overcharge, Short-Circuit, Reverse Polarity
 
Dimensions:
Length: 90 mm
Width: 30 mm
Height: 25 mm
 
Weight: 28 g
 
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