I was a little concerned when I first got my G1 but after I settled down with my usage, I get about 3-4 days of usage off of a single charge. I've installed po

I was a little concerned when I first got my G1 but after I settled down with my usage, I get about 3-4 days of usage off of a single charge. I've installed power manager, tweaked the brightness settings, turned off wifi and GPS though.