Tiny Portable Battery Charger Module 0.5A

Description 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) Note: 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.