48v to 220v power inverter protection features six:
1, the positive and negative error protection (if plugged in the electric car light is not on, that your positive and negative electric car wrong, the red and black wire on terminal to change what you can) (This little electric car)
2, over-voltage protection;
3, low-voltage protection;
4, thermal protection;
5, overload protection (220v inverter is not careless with a few kilowatts of load);
6, short circuit protection (do not short-circuit function to try Oh, only emergency protection).