Low-battery condition ........................................................................................ 23
Critical low-battery condition ............................................................................. 23
Resolving low-battery conditions ....................................................................................... 24
When external power is available ..................................................................... 24
When a charged battery pack is available ........................................................ 24
When no power source is available .................................................................. 24
When the computer cannot restore from hibernation ........................................ 24
Calibrating a battery pack ................................................................................................................... 25
When to calibrate ............................................................................................................... 25
How to calibrate ................................................................................................................. 25
Step 1: Charging the battery pack ..................................................................... 25
Step 2: Discharging the battery pack ................................................................ 26
Step 3: Recharging the battery pack ................................................................. 27
Conserving battery power .................................................................................................................. 28
Conserving power as you work .......................................................................................... 28
Selecting power conservation settings .............................................................................. 28
Storing a battery pack ........................................................................................................................ 29
Disposing of a used battery pack ....................................................................................................... 29
Index ................................................................................................................................................................... 31
iv ENWW