With output overvoltage protection. There is 1.5A fuse, output 5V have 300W TVS tube protect your USB device.
Using the latest USB identification circuit, perfectly compatible with IPHONE, the most of Android phones, IPAD etc.
High quality USB port.
Output voltage indicator (RED).
Input with reverse polarity protection diode, will not damage when input connect incorrect.
Ultra-low
static current, 0.85 mA only. Do not need to add swith when
connected to the car battery, can be connected to car cigarette
lighter cable or ACC power supply cable.