... 1000mA4.Output voltage--DC 5v.5.Output current--1000mA Reasons of recommendations1. Ergonomic design,charming appearance and comfortable touch.---- ... ,overdischarge and short circuit...4.Stable and safety--- Imports of Samsung's high-quality batteries, up domestic batteries, higher ... PCMobile phone (Nokia,Samsung,HTC,and other digital)Pictures of power bank functions powerbank charger & colorful shape