Please check up the latest version of BatteryPlus:
Version Number: 2.5
Released Date: April 17, 2012
New Features: 
1. Add Mobihand purchase channel under "More Apps" option;
2. Fully support BlackBerry devices with OS7.1, such as 9790,9900,9860 and so on;
3. Update literal information about "Device Info", "About Screen" & "Contact Support";
4. Add "Write A Review " function under Main Screen for customers to write their feedbacks about BatteryPlus;
5. Other Minor Optimizations, like function, interface & speed optimizations, ect...
Upgrade Tips:
According to my company's policy, each customer will be eligible to one year's free upgrade after your purchase. Please send your BlackBerry's PIN number to us after upgrade, our tech team will send the new registration key to you immediately.
If your yearly subscription is overdue, please renew your license.