- VistaHide BatteryGauge
- Simple Battery meter, nice colors.
- SBSH iLauncher
- Great Launcher, multiple tabs, battery meter on top.
- SPB PocketPlus
- Another great Launcher, multiple tabs, battery meter on top.
- ((Thanks to _Alex_ )FYI, Batti eats batteries.)
- Ariel Battery Meter
- Replace your Start Menu picture with a battery meter.
- Really MUST have. Nice cascading Start Menu, and a nice battery meter.
Enough choice, isn't it?
All above apps are, (or can show) a battery meter on top of the screen.