Mast U1 Battery for Wireless Tattooing - RCA connection

This wireless Mast battery is short-circuit protection on the output & double charge protection on the input. 1.Press and hold the power button for 2-3 seconds to turn on and off 2. Press the power button to change the 6V-11V power cycle 3. Recall the memory of the last used voltage after each power on call 10V/0.02 seconds. 4. When the power supply is working, it will automatically jump to the battery capacity display, and the indicator light is in the breathing mode. 5. The five indicators represent 20%-100% of the power. Then click the button to automatically return to the adjustment voltage state 6. During charging, 5 indicators show the capacity state. When full, the indicator light is always on and the overvoltage protection is activated. 7. There is a limit to the charging current in the battery. As long as it is a charger of 1A or higher, the charging time of the battery 1200MAH is about 3 hours, and the operating time is about 6 hours.