An GNOME battery applet replacement for the one of gnome-power-manager based on IBAM (Intelligent Battery Monitor).
IBAM has a better indication of the battery and it shows the time remaining. I wrote an applet for ibam to totally mimic gnome-power-manager applet. It even integrates with it's translations. Upon startup it will try to hide the gnome-power-manager applet, but you'll need my special patch one. Packages can be found in my ppa: