Tiny Portable Battery Charger Module 0.5A


Availability: Out of stock SKU: OPM1030 Categories: , Tags: ,


This module includes Li-ion battery protection module (overcharge, over current, etc), charging function for battery (from power in) and step-up 5V output (VCC output) three functions.

Protection includes over use, over charge and over current.

  • PCB Dimension: 38*10*4mm
  • Charging Voltage: 5V
  • Charging Current: 400-500MA, generating heat is normal
  • Output Voltage: 5V
  • Output Current: 300~400MA, suitable for not high performance application and products

Functions of the board:

  • Charging: Support single battery, or battery in parallel connected.
  • 5V output: output from battery 4.2V to 5V supply
  • Protection of battery.

How to use (Supply power from battery):

  • Solder battery wires to B+ and B-
  • Add 4.8-5V voltage on the charging terminal (P+ and P-) to activate protection circuit
  • Test the raised voltage (V+ and V-, should be 5V)


  • V+, V- is power output
  • P+, P- is charging input
  • B+, B- is battery terminal
  • Blue LED on when charging, and then off when charging is done.

Additional information

Weight 0.003 kg


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