If you need the flexibility of an extra battery, you will appreciate the options this external battery charger gives you. 

There's no need to keep your Blackberry phone plugged in while it's charging - simply swap one battery for a fully charged replacement and you can take your phone wherever your busy day takes you, while your first battery recharges. 

With a separate USB port that allows you to recharge both a spare battery and your Blackberry phone simultaneously, this is the ultimate charging accessory. 

Requires a MIni-USB mains charger similar car charger, travel charger or mini-USB cable connected to a PC via USB (included) Will not charge work with the micro-USB charger supplied with the most recent BlackBerry phones eg the 8520.

Charges the following Blackberry batteries: C-S2

Compatible with:  Curve 8900, 9300 3G