Originally posted by: SparkyJJO
I always had mine connected to AC. I think most laptops have an auto shutoff circuit in them, so when the battery is charged it shuts down so it won't overcharge the battery.
Originally posted by: JAG87
you need to make the battery do cycles. If you dont you will end up with a battery that doesnt hold the charge anymore. You should do one full discharge every 30 days or every 20 partial charges.