Instructions for use:
1. Power on: long press middle O button for 5 seconds to power on, and long press for 5 seconds to power off;
2. Pause: short press the O button to pause during normal operation, and press it again to resume operation;
3. Adjust voltage: press the + or - button to adjust the gear, corresponding to 1-8 gears representing 5-12V respectively;
4. Battery display: The LCD screen shows that a full charge is 4 bars, and charging is required when there is 1 bar left;
5. Charging: There is an external USB charging port on the power supply, which can be charged with a USB data cable or a mobile phone Android data cable. It has overload protection and will be powered off when fully charged;
Power parameters:
1. Input: the charging port supplies power to this power supply through USB data cable. The built-in battery is 3 pieces, 550mA / piece, 3.7V battery, and the output current is fixed to 1a;
2. Output: supply power to external equipment through RCA interface or DC interface, voltage gear: (1-8 gear corresponds to 5-12v) press + or - key to switch voltage gear, 5V is the lowest voltage, 1 gear corresponds to 5V, 2 gear corresponds to 6V, and so on, 8 gear corresponds to 12V;
3. Power storage: use the matching USB data cable for fast charging. Normally, it can be charged in 1.5-2 hours, full in 4 grids, and working at 8V can be used in 5-6 hours