... display the battery power, which means the system is normal. Green light (L1) bright means solar panels are supplying power, if not ... 5%,50HZ, can be used to computer, television, fan, AC lighting, stereo, need charging appliance ( small power AC appliance, such as ... restart it.Inverter input voltage is too highCheck the charging system and the output voltage of batteryThe inverter warningUnder-voltage ...