Phone Battery Tester Battery Activation Board Automatic Identification Voltages Current Display Battery Test Board

Features: 4.2V stabilized output

Overloads protections

Suitable for fast charging on cellphone

Automatic power-offs protections,Automatic recognition of positive and negative poles

One clicking activation for power loss

Specifications: Material:PCB Type:F009,F018

Package Includes: 1Piece Battery Activation Board

note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.