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Looks like a buck/boost balancer. AFAIK these simple non-coupled inductor designs can only transfer charge between adjacent cells, so on anything with more than two cells you can't transfer charge between the end two cells.
Quote from: mikerj on August 19, 2019, 04:12:17 pmLooks like a buck/boost balancer. AFAIK these simple non-coupled inductor designs can only transfer charge between adjacent cells, so on anything with more than two cells you can't transfer charge between the end two cells.That's the thing. It "seems" to be working on a 3 series and... bidirectionally too.