Many cells are made equal, but charging in strings makes some cells less equal than others. Not a quote from Animal Farm, but if Orwell had used it, maybe some batteries would last longer? The Editor reviews a piece of kit designed to put cells on a level playing field…
Time and time again within the pages of BEST, the topic of battery string equalization comes up with alarming frequency. Charge a series string of cells and gradually over time, the cell voltages will differ and drift apart. Eventually this will lead to string failure and most . . .
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