Rayner Software has releases version 2.0 of its battery analysis and diagnostic program. The new version, a 405 kilobyte download courtesy of MacUpdate features a rewritten back end, new interface and Universal Binary compatibility. The program takes available battery data and presents it as a series of gauges and line graphs displaying battery history.

The program also takes a more social aspect and shares available data with iBatt's server in order to compare your battery data with that of others using the same model in order to see where your performance stands among your peers.

The program can also establish a Health Report, grading your battery from A+ to F with A+ representing a perfectly usable battery while F represents an essentially dead unit. The report card is generated through the program's own internal tests as well as through comparing your battery performance to that of others via iBatt's server.

Finally, the program can examine your battery's deterioration provided it's run in the background during most of your laptop's use.

iBatt requires Mac OS X 10.4 or later to run and can be used on iBooks, PowerBooks, MacBooks and MacBook Pro laptops. The software features a trial period and is available for a $19 shareware registration fee.