HF 10-Amp Charger Coupon Sale $29.99
You have to go to their site and root around for awhile. I ran a full desulfation on my little-used (but maintained) group 29 battery yesterday. With 119 volts available, finish voltage was 15.92 w...
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A bubble here and a bubble there is "bubbling"
Frequent bubbles that disturb the surface continuously is vigorous bubbling.
Boiling ejects liquid electrolyte.
