iBook: How to Determine Battery Charge Status

This document explains how you can tell if your iBook battery is fully charged.
iBook, iBook SE and iBook (FireWire) computers

There are a number of ways to determine if the battery has a full charge:


The Lithium-Ion iBook battery will take approximately 2 hours to fully recharge when in sleep mode or when shut down. If the computer is running, the charge time doubles to approximately 4 hours.

iBook (Dual USB) and later

When the battery on these computers is fully charged, the four battery lights (located on the bottom of the computer) will glow green.

For more information on identifying your iBook model, refer to document 88039: "iBook: How to Identify iBook Models"

Published Date: Feb 20, 2012