Short-circuit shutdown
Overload-shutdown
KBM E12-500 has a full automatic DC to AC inverter external battery. It has DC 12V input and AC 220V output, 450-watt continuous output power, 500 wall peak-power, DC 10.5V low-voltage alarm, 50Hz frequency, 0.60Kg net weight, 16.3 x 5.4 x 5.5cm dimension.