Description:
This USB Power Bank Circuit Board Module is the perfect solution for powering your DIY projects. Designed to convert a 3.7V lithium battery into a stable 5V USB output, this module comes with integrated charge and discharge management for safe and efficient power control.

Key Features:
Input Voltage: 3.7V to 5.5V
Output Voltage: 5V (USB)
Charging Current: Up to 1A
Output Current: Up to 1A
Discharge Efficiency: 85% (at 3.7V input, 5V/1A output)
Battery Discharge Termination Voltage: 2.9V
Integrated Charging Voltage: 4.2V with ±1% accuracy
Built-in MOS for charging and discharging
Supports turbulence mode and zero voltage charging
Intelligent temperature control and over-temperature protection
Short circuit, over-voltage, and heavy-duty protection
Overcharge and over-discharge protection
Compact size, lightweight, and easy to integrate

Applications:
 Ideal for DIY Power Banks
 Perfect for Arduino Projects
 Suitable for portable USB devices
 Great for battery-powered electronics

Additional Information:

• Charge & Discharge Indicator: Built-in LEDs show charging and discharging status.
• Standby Current: Ultra-low standby current (maximum 8uA) for efficient power usage.

Why Buy from Us?
UK Seller – Fast and reliable shipping via Royal Mail
High-Quality Product – Carefully sourced to meet your needs
Excellent Customer Service – Your satisfaction is our priority

This USB module ensures your lithium batteries are charged safely and efficiently. It provides stable 5V power output, making it essential for any electronics enthusiast or DIY hobbyist.