IPhone Battery Activation Board For IPhone 7 Plus 7 6S Plus, 6s 6 5S 5G 4S 4

The activation board brings old or drained batteries back to life.

You have to keep the voltage below 5V.?Set the DC Power supply to 0V, 0A before connecting the battery to the board.

LED Display Information
The left LED display shows the current, while the right LED display shows the voltage of the battery.The board is compatible with the following: iPhone 4G, 4S, 5G, 5S/5C/6S, 6Plus/6S Plus, SE, 7/7Plus, iPad 1, 2, 3,4, Mini2, Mini3, Mini4, Air, Air 2, Pro as well as Samsung, Mi, Huawei, OPPO and more.