... of condition.Input reverse polarity protection: Shut down, auto–reset.Water Proofed Fuse: Input or output fuse, ... contactorShort Circuit: Shut down with little pulse current, auto–reset, ensure the wire safety.Overheating Cutback: Reduce output ... Input Reverse Polarity: Electronic protection, auto–reset.Input Low Protection: Shut down, auto–reset, prevent the battery from over dischargingTypeBattery ...