2000mAh Portable Power for Blackberry 8520, just with it to make your BB rock more, talk more, surf more and send mo 2000mAh Portable Power for Blackberry 8520, good quality material with good touch feeling and long time recycle usage, with LED lights to show the charging power percentage and the power remaining, easiliy usage and coneniently for take out anywhere.Specifications:1. Input Voltage: ...