YOUKILOON 901 Fast Battery Charger Circuit Board Activation Tester for iPhone 7/7 Plus/6s/6s Plus etc.
- Special designed for activating the dormant battery, making the dormant battery working normally again
- It is also for charging battery. The electric current is adjustable from 1A to 2A, safe and fast to charge
- Provides over current protection when the electric current is over 2A
- Help to test if the battery is short circuit