As one girl realised as she removed the battery from her laptop when it was plugged in, when your laptop is plugged in and the battery is connected, I believe the battery is constantly charging and discharging the battery (at least a little). So if you want to save the battery life even further, you could always just turn your laptop off, remove the battery, and run purely off AC power provided you don't accidentely yank the cord out. However if you try to remove the battery while on AC power, your laptop will power off instantly, suggesting some dependency on the battery despite running on AC power..The plan also grandly includes a repeal of the state's business property tax that Chamberlain asserts would free up private business money to buy advertising, sponsorships and other items. All of that would help the Vikings pay their share. Already, however, the team has said that the Chamberlin plan is not economically workable, and the governor objects to repeal of the business prope