Re: Nickel Cadmium vented cell battery, advice sought
I'd recommend pipetting over electrolyte to keep plates covered. You really do need to SG measure each cell to determine if it is just evaporation over time (my expectation). You have to use a clean pipette and if SG is high then add battery grade deionised water. The cell voltage and temp and SG will confirm the cell type.
NiCd like these were used in some high-grade applications, back in the days when 20+ yr service life was a requirement.
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