Panasonic 52 - Toughbook - Core 2 Duo P8400 Care And Maintenance Manual page 14

Care and maintenance
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Battery
Leaving the laptop connected to AC Power at all times equal to storing it away. Eventually the cells will degrade and the
battery will become less and less useful over time.
battery will become less and less useful over time
Exposure to high levels of heat will damage the battery cells and degrade the useful life of the battery
Normal Use
Run the battery calibration utility once every 3
months or so
The calibration utility will ensure that the battery is
used at its full capacity
24 Hour Environments
If you are connected to AC power at all times it is
strongly recommended that you enable Economy
mode
mode
If you use the laptop on battery power in a 24 hour
use environment it is strongly recommended that
you enable Economy Mode.
Failure to do so may shorten the useful life of the
main battery
14
Maintenance

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