Dual input charging protection (batteries and control board are equipped with shutdown, overheat and over discharge protection)
Press and hold the power button for 2 seconds to turn on / off.
Press the power button to adjust the voltage to 6, 7, 8, 9, 11 V.
The LED indicator flashes while charging. The battery capacity is 1200 mAh, (3.5 hours for a full charge using a 1A charger), about 8 hours at 8V. The power supply is intended for rotary machines only. Do not use while charging