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3–26 Hardware and Software Guide
Power
Calibrating a Battery Pack
Three steps are involved in calibrating the battery pack: fully
charging, fully discharging, and then fully recharging.
When to Calibrate
Even if a battery pack is heavily used, calibration should be
necessary only once a month. You do not have to calibrate a new
battery pack.
Calibration does not usually increase battery run time, but it can
increase the accuracy of battery charge displays, especially under
the following conditions:
■ When the battery pack has been unused for one month
or more.
■ When you notice a significant change in battery run time.
■ When battery charge displays seem inaccurate.
For more information about battery charge displays, refer to
the “Monitoring the Battery Pack Charge” section earlier in
this chapter.