Apple 540C, 520C manual Battery Information

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.