I have a backup sump pump hooked to a marine battery for power failures in a storm. However, I also have it setup to assist the primary pump if the water in the sump gets too high. Would your charger CTEK MULTI US 3300 model 56158 12 volt battery charger be able to handle the backup pump running off the battery while the charger is connected to it?? Thanks
asked by: Kerry
What you are wanting to do is certainly possible, but because the # CTEK56158 does not have a maintenance mode, it could not be permanently connected to the battery and forgotten about.
My contact at CTEK tells me that their 7002 model, part # CTEK56353 does have a maintenance mode and could be continuously used to maintain your marine battery while remaining connected to the battery, and while the battery remains connected to the pump. Once the charger senses a voltage drop in the battery, a pulse charge would be delivered to the battery until it reaches full voltage. The 7002 model would provide the set it and forget it solution that you seem to be looking for.
I have provided a link to the owners manual for the 7002 model.
expert reply by: Mike L
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