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02.27.2007, 12:22 AM
Balancers simply monitor each cell voltage and apply a low load to any that are higher in voltage. After a while, the high cell(s) discharge so they are at the same level as the others.
Some have other features, like auto shutoff above/below a certain cell voltage, mainly to help protect against a charger malfunction.
Because the act of balancing discharges cells, most people balance while charging so the pack can get the max charge it can and still be balanced.
The Hyperion LBA10 is generally accepted as a very good balancer and has a few neat features as well.
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