Apple 540 Laptop User Manual


 
Basics Battery Information - 12
Battery Information
The PowerBook 500 Series computers include one or two
nickel-metal-hydride (NiMH) batteries. Each battery
provides power for up to 3.5 hours of work time, depending
on the battery conservation features employed. A smart
processor included in each battery pack indicates the
battery’s charge status.
For instructions on how to verify the battery voltage, see
the Additional Procedures chapter of this manual.
For additional information on PowerBook batteries,
voltages, ampere hours, and part numbers, see the
PowerBook Battery Matrix in Hardware/Compatibility
Charts.