The easy-to-understand interface uses colored LED indicators for battery and fault status. Safety features include protection against reverse polarity, short circuits, low-voltage, overcharging, and over-discharging.
This power pack also provides 10W of USB power for charging personal electronics. This multi-featured portable power pack combines 630 peak amps of jump-starting power with a 12v DC power supply, and a bright LED work light.
Cen-Tech 3 in 1 Portable Power Pack Review