With all the negative stories in the news as of late regarding the dangers of laptop batteries, its easy to forget a hazard that has plagued batteries of all types since the dawn of the portable computing age; premature discharge. Its an uncomfortable subject, but it affects all batteries regardless of original capacity or manufacturer. Snake-oil salesmen will convince some that weekly conditioning regimens can slow or even reverse this horrible syndrome, the only thing that has been proven efficient is close monitoring and eventually battery replacement.
While MiniBatteryLogger won't do anything to prevent your battery's eventual degradation, it will let you watch your portable power-source slowly spiral into ineffectiveness. The app displays a multi variable line-graph which lets you see change in charge as well as amperage. Additionally, the dock icon changes color according to the level of charge.
While the program might not be as useful as coconut battery, which logs total battery capacity over time, it is awfully pretty. MiniBatteryLogger is available as a free download from Emeraldion Lodge (say that 10 times fast) Software.
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