ITEM NAME:Universal LCD USB Charging Dock US Plug Battery Charger for Cell Phones #gib Store Home Promotion Hot Item Add to Fav.Phones & Accessories. Safety cut out circuit,Built-in protection circuit prevents overcharging. Output: DC 4.2V 600mA ± 50mA, USB Port Output: DC5.2V, 1250mA(USB). Short circuit and overload protection.