Draining and Battery

[Chris]

BatteryBar is reading the values as provided by the battery, so it's really the chip in the battery that's "acting weird" and not BatteryBar.

What I have noticed is that while Windows APIs support quite a bit of data collection from the batteries, Windows only displays percent remaining and time remaining to the user, so many manufacturers don't put the effort into making the other statistics really accurate. HP is notorious for not even including the (dis)charge rate.

I'm not sure what you tell you except the best thing to do is probably just to watch the "Full Runtime" value and that'll slowly drop as your battery starts lasting for shorter periods of time.