HP nx6320 Power - Page 37
Calibrating a battery pack, When to calibrate
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Battery packs Calibrating a battery pack When to calibrate Even if a battery pack is heavily used, it should not be necessary to calibrate it more than once a month. It is not necessary to calibrate a new battery pack before first use. Calibrate the battery pack under the following conditions: ■ When battery charge displays seem inaccurate ■ When you observe a significant change in battery run time ■ When the battery pack has been unused for one month or more How to calibrate Three steps are involved in calibrating a battery pack: fully charging, fully discharging, and then fully recharging. Step 1: Charging the battery pack A battery pack can charge whether the computer is off or in use, but it will charge faster when the computer is off. Å WARNING: Do not charge the computer battery pack on board aircraft. Charging the battery pack may damage aircraft systems. 7-12 Power