Battery Maintenance, multiple batteries
I have at least a half dozen batteries, some "deep cycle" and some standard, that I remove from their respective vehicles each autumn for storage. My question is, if I connected these batteries togeth...
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Yes smk has it. Each battery has to be brought to "true full" as measured by SG (bobber hydrometer). Then and only then, can they be paralleled and left on a Float charge (proper voltage for that depends on ambient temp--eg, 50F 13.9, and 80F 13.2), so each one will stay more or less where it is at, and one won't "steal" from the other, because the charger has plenty for everybody.
