Kaisi K-9208 iPhone, Samsung, Huawei, Xiaomi Battery Tester, Charger & Activator

Easy to use external device for testing, charging and re-activating batteries that are dead due to a low charge.
Device has connections for iPhone 4 to XS Max and a wide range of Samsung, Huawei, Xiaomi and other batteries.
Can be powered by just USB or by connecting to a bench DC power supply.

How To Use:

• Connect the battery to the device. When the battery voltage is less than 2.5V the digital display does not function due to insufficient power, when the voltage exceeds 2.5V the display will work normally.
• Connect the device by USB or to your bench power supply to begin charging of your battery. The display will begin to rise to indicate the battery is being charged successfully.
• The left digital display shows the current charge current and the right digital display shows the current charge voltage.
• To re activate a dead battery connect the battery to the device and connect the device by USB or to your bench power supply. When connected press the button in the bottom left hand corner of the device.