Last week I found Coconut Battery, a very useful application for portable Macs like Macbook Pro, Macbook or the older Powerbook models. It doesn’t only show you the current charge of your battery but more important the maximum charge and the capacity. This is pretty useful to see how the battery’s current capacity compares to the capacity it originally had.

Another great feature is the ability to persistently save the capacity information. This way you can track how the capacity state evolves. For dashboard-fans there’s also a nice widget available.

My Macbook Pro battery for instance is 6 months old, had 98 load-cycles and 92 percent of its original capacity. Lets hope it doesn’t decrease too fast.