USB Power Bank Module

R 28.00 In Stock (33)

The USB Power Bank Module is a compact and versatile board that allows you to build your own power bank using 3.7V Lithium batteries. It functions as a charger and a step-up voltage regulator to provide a stable 5V output for charging devices like cellphones.

This USB Power Bank Module is an excellent solution for creating your own portable power bank using lithium batteries. Its compact size and multiple protection features make it a reliable and safe choice for DIY power bank projects.

Built-in Charge and Discharge: The module is capable of both charging the connected lithium battery and discharging to power external devices.
Charge Status Indication: The board has an LED indicator that flashes red while charging and stays solid red when the battery is fully charged.
Multiple Battery Connection: You can connect multiple lithium batteries in parallel, as long as their voltage ranges from 3.7V to 4.2V. Note that the batteries should only be connected in parallel and not in series.
Protection Functions: The module includes protection mechanisms to prevent over-charge, over-discharge, and over-load situations. This protection ensures the safety and longevity of the connected batteries and devices.

USB Power Bank Module specifications:

Input Voltage: Supports a range from 3.7V to 5.5V, making it suitable for various power sources.
Charging Current: Capable of providing a maximum charging current of 1A.
Output Current: Can deliver a maximum output current of 1A.
Output Voltage: Provides a stable 5V output voltage for charging external devices.
BAT Discharging Stop Voltage: Automatically stops discharging when the battery voltage drops to 2.9V, protecting the battery from over-discharge.
Discharging Efficiency: Achieves an efficiency of approximately 85% when the input voltage is 3.7V and the output current is 5V/1A.