So the majority of the NIMH packs have given up the ghost. May they rest in peace.

After much hemming and hawing, decided to replace them with Lithium Iron Phosphate (LFP) in a 12s1p configuration of Headway 40152S Cells. 15Ah x 36v. Not quite as energy dense as polymer, but …

My wife and I purchased a set of 3 used Cuda 400 DPVs which included 6 NiMH battery packs of various age and abuse. Prior to purchase the battery packs were float charged on the shelf for half a year without a full discharge cycle. First test outing we had …