Battery Performance is admittedly one of the nicest looking and most useful battery apps for Windows Phone 8. It comes with most features we would perceive as being important for keeping you aware of your battery status and it does so in an elegant and smooth way.
The newest version allow you to keep the track of many important things like:
- Consumption rate (per hour)
- Consumption rate from last cycle
- Condition of battery life which you can compare with other models from all over the world
- Estimated Talk time
- Estimated Web Surfing time
- Useful shortcuts
- Live tile (including double wide)
- Lockscreen: Detailed status or Quick status
- Graphs with logs
- Graphs with consumption rate
- Notifications (battery low, fast draining, battery charged)
Battery Performance costs $1.99 with a free trial and can be found HERE.