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Old 06-17-2019, 05:40 PM   #5
dorrington
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Join Date: Jan 2016
Location: uk
Posts: 127
5 yr Member
Default battery health

I think the only way to check health is a discharge test...and internal resistance test

both a little tricky unless you can wield a soldering iron and program arduino or picmicro..

if you only check the terminal voltage whilst running a dummy load then there could be undetected fully discharged cells=bad...
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