The local Alarm man has given me several 12volt gell-cells, all taken from
backup power supplies after four years of trickle-charging.
Is there any way to retore them to useful service? (All function to some
degree, but have less than their nominal AHr capacity.).
(Do I recall someone saying, "drill a small hole and top them up with water,
using a hypodermic".?)
Any thoughts on these matters would be most welcome.
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