The MAST Tour Wireless Battery with RCA Connection is a USB-rechargeable power supply with RCA connection. It can provide energy continuously for up to 6 hours. It also features output short circuit protection & input double charging protection. 

HOW TO USE:

1. Press and hold the power button for 2-3 seconds to turn on and off

2. Click the power button 6V-11V power cycle replacement

3. Recall the memory of the last used voltage after each power-on call 10V/0.02 seconds.

4. When the power is working, it will automatically jump to the battery capacity display, and the indicator light is in the breathing state.

5. The five indicators represent 20%-100% of the power. Then click the button to automatically return to the adjustment voltage state.

6. When charging, 5 indicators are showing the capacity status. When full, the indicator light is always on and the overshoot protection is entered.

7. There is a charging current limit in the battery. As long as it is a charger of 1A or above, the charging time of the battery 1200MAH is about 3 hours, and the usage time is about 6 hours.