For all RCA connection.Output short circuit protection & Input double charging protection. 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.
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