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My Zamp Solar controller has battery type options of LiFePO4, LTO, Gel, AGM, WET and Calcium. What would be the proper setting for a pair of DC27MF batteries? Thanks.

Hello and thank you for your inquiry. The DC27MF battery is maintenance free but it is still considered a WET flooded battery. Please let us know if you have any other questions.

With infrequent use of dinghy my last wet 24 battery was never charged but kept clean and distilled water added. It lasted 8 years. Does the Cen. DC 24 MF absolutely require recharging ?

Hello, yes all batteries require charging to ensure you get the longest lifespan out of your battery. Its always recommended to put your battery on a trickle charger if it sits for long periods of time. The trickle charger will notice when the battery...

can I check the electrlyte in my B31 commercial battery?

Hello, I would need to know the actual part number on the battery to know the manufacture. Some manufactures have removeable caps on the top so you can check the acid and some now make maintenance free cases so there would be vents on the side. Im not...

Are they sealed or do they need to be vented?

Hello, which part number are you inquiring about please? Some of the brands we carry are flooded with removeable caps and some of the brands the cases come maintenance free but are still flooded. If you can let us know which battery you are asking about...

I have two of these batteries hooked up to my 5thWheel. One battery started overheating and steaming out of one of the vents. The other battery did not heat up. What do you think the cause of that is? Thank you?

Hello, there a several reasons why your battery could've overheated. Bad terminal connection, short circuit, forced charging and heating up the battery too much. I would check the connection or take your battery to get checked out and see if there could...

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