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Mobile Computing
Taking care of your battery
5.375 x 8.375 ver 2.3
Maximizing battery life
To maximize the life of your battery pack:
❖ At least once a month, disconnect the computer from a
power source and operate it on battery power until the
battery pack fully discharges. Before doing so, follow the
steps below:
1 Turn off the computer’s power.
2 Disconnect the AC adapter and turn on the computer’s
power. If it does not turn on, go to step 4.
3 Operate the computer on battery power for five minutes.
If the battery pack has at least five minutes of operating
time, continue operating until the battery pack is fully
discharged. If the battery light LED flashes or there is
some other warning to indicate a low battery, go to step 4.
4 Connect the AC adapter to the computer and the power
cord to a power outlet. The DC-IN or AC power-light
LED should glow green, and the Battery LED should
glow amber to indicate that the battery pack is being
charged. If the DC-IN or AC power-light indicator does
not glow, power is not being supplied. Check the
connections for the AC adapter and power cord.
5 Charge the battery pack until the Battery LED glows
green.
❖ If you have extra battery packs, rotate their use.
❖ If you will not be using the system for an extended
period, more than one month, remove the battery
pack.
❖ Disconnect the AC adapter when the battery is fully
charged. Overcharging makes the battery hot and
shortens life.
❖ If you are not going to use the computer for more
than eight hours, disconnect the AC adapter.