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Battery Health Monitor is a free utility for MacBook, PowerBook and iBook owners that monitors virtual all battery health parameters and displays them in an easy-to-read format.
Original capacity is an indication of the battery's storage when it was new. Current capacity indicates how much that original capacity has changed with use. Current charge shows the battery's current charge state while Charge Cycles indicates how many complete charge/discharge cycles the battery has experienced. The percentage value indicates approximately what portion of the number of total recharge cycles the battery supports have been used.
The annunciators at the top of the window indicate the state of the computer's power manager circuit and the battery or batteries installed.
Battery Health Monitor version history
Version 1.5
* Dramatically improved compatibility with PowerBook G3 and G4 models using older version of Apple's battery update software.
System requirements
PowerBook G3 or later, or iBook;
Mac OS X (10.2 or later)
Download Link:
Download Battery Health(Freeware,3.8Mo)