The Go n Plug is a small but powerful 2000mAh battery charger that can help you out when your portable device’s power runs out. No more dead phones when you need it most, especially at the airport or on the road. The Go n Plug products are compatible with devices that have a 5 Volt DC charging input and use a USB charging cable. The Go n Plug features a single USB output that produces up to 1 amp, at 5 Volts DC to charge devices. To charge your portable device simple plug your device’s charging cable into the Go n Plug USB output and your device will begin to charge. Recharge the GP-H20W in 3-4 hours. The GP-H20W features an automatic shut off, battery level indicator, and LED flashlight. The unit is compact measuring .5 x 2.4 X 2.4 inches weighing 2.1 ounces in a white case.