We are offering power bank. Shell material aluminum alloy size t15.5*w61*108mm battery capacity: 5000mah portable power bank battery cell type: polymer li-ion battery cells rated input: dc 5v, 1a rated output: max. Dc 5v, 1a charging time: 6-12hours working temperature: -10ã�â°c-60ã�â°c storage temperature: -20ã�â°c -65ã�â°c estimated working life: 3 years attached connectors: 8 connectors for samsung, motorola, nokia, sony ericsson, htc, iphone and, etc; portable power bank devices supported: mobile phones, mp3 players, mp4 players, digital cameras, handheld game consoles, bluetooth devices and so on. Portable power bank product color:red, coffee, etc.