the green one with the percent above is
quickmenu - in its settings, you have to activate the battery meter. Find it at XDA devel.
my favorite battery option is
VistaHide battery guage v1.1.1. 1 line across top of entire screen. The
version 1.0 thread also contains registry tweaks to make it look exactly as you would like - can be 1 pixel thick, any color. The latest version is 1.11.