Never a full battery charge

Right now i have my power cord plugged in and the littel green light is on but my battery icon says i have 99% battery life. it has the little charger icon (the little power cord) but still says i only have 99% instead of 100%. does anyone know how to fix this. i drained my battery last night thinking that might help, but it didn't...
Help please
MacBook G5, 80Gb HD, 1 Gig RAM   Mac OS X (10.4.9)   30 Gb Video iPod

Don't worry about it. That sometimes happens. As long as the green light on the charger is lit your battery has been fully charged. It will not recharge until the charge level drops below 95%.
Be sure you have calibrated the battery. You can learn more about Apple batteries here.

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