IPWR Backup Batterry for Blackberry,Google G1,Motorola and Compatible with Mini and Micro USB Devices (Blue) (Retail Packaged) Backup Batterry for Blackberry/Google G1/Motorola and Compatible with Mini and Micro USB devices Extends Music up to 10 hours Extends Talk time up to 3 hours Rechargable with included USB charger Charge devices on the go