So a few posts ago I posted a application that displays the battery and batter information as well. And it looked pretty cool as well. I found this mod on XDA that changes the default battery to the one below. I played around with several things and kinda messed up my phone. This one is solid and works wells.
-You need Root
-Download the file here
1)Extract the file
2)Place it on the root of your SD card
Now you can do this with a terminal on your phone or you can do it with a terminal on your pc both use the same line of code. I did it on my PC, just remember to enable USB Debugging and connect your phone.
Enter this (mount -o remount,rw -t yaffs2 /dev/block/mtdblock2 /system) without the ( )
Then enter this (dd if=/sdcard/framework-res.apk of=/system/framework/framework-res.apk) with ( )
You will see some lines of code then your phone will reboot
The reboot will take some time so wait a bit. Then you phone will boot and you will see the new battery indicator. Cool thing is that its more informative than the default one and it has some cool charging animation.
Hope it helps, if for any reason you mess up you can reflash or repair your phone.