I'm not one to follow directions exactly. If it were my sump. I'd
check the battery volts and amps. It's probably 12 volt sealed lead
acid. I'd research the price of the factory battery, and check the
price of similar replacements. And I'd seriously look at using a
marine trolling battery. A marine battery may be close in price, but a
lot more amp hours of storage.
Others have asked what's the possible damage, etc. Do you have an over
flow alarm? Are you home most of the time? Do you have backup sump for
when the primary breaks? One to plumb in and drop into the sump? Do
you have a generator for power cuts?
I'd want a newer battery for the sump, and that one might be used for
From bitter experience. A Harbor Freight "float charger" with the wall
wart plug and two clips. Will over charge a marine battery, until it's
out of water, damaged, and will never work again. This, I know from
having it happen to me. Your sump probably has a built in float
charger, which probably is fine for your use.
Christopher A. Young
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