A compact USB-C lithium battery charger module with built-in protection circuits. Uses constant-current/constant-voltage (CC/CV) charging to safely charge single-cell 3.7V lithium batteries from any USB-C power source.

LED indicators show charging statusred while charging, green when fully charged.

Key Features

• USB-C Input Modern connector for easy power connection
• CC/CV Charging Safe, efficient charging method for lithium cells
• Built-in Protection Overcharge, over-discharge, and over-current protection
• LED Indicators Red (charging) / Green (complete)
• Compact Size Only 25 16.5mm
• 1A Max Current Fast charging capability

Specifications

• Input Voltage 4.35-6V (5V recommended)
• Charge Cut-off Voltage 4.2V 1%
• Maximum Charge Current 1000mA
• Overcharge Protection 4.28V
• Discharge Protection 3.0V
• Over-current Protection 3A
• Dimensions ~25 16.5mm

Ideal For

• DIY battery-powered projects
• Portable electronics
• Solar charging systems
• Custom power banks
• IoT devices with battery backup