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need more house power

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themetalman:
hello........

i was wondering if anyone has ever connected two 8d batteries together to run the house power...

Tom:
There's nowt wrong with connecting two 8D batteries in parallel. Are you thinking of adding a second 8D to an existing one?

If you're talking about all new batteries and have the space, why not use golf cart batteries? A pair of 8D's will give you roughly 480 amp hours of capacity. 4 golf cart batteries connected for 12V will give you 440 amp hours in a little less space and 6 of them would give you 660 amp hours in slightly more space than the pair of 8Ds. Golf cart batteries are designed for repeated heavy daily discharge.

themetalman:
witch ever way i go do i need a bigger altenator,to handle more batteries

Tom:
Normally, deep cycle batteries would be re-charged either by an on-board generator or by plugging into shore power and and on-board charger . Unless you have a very high output alternator and/or are driving a lot of hours, an alternator won't adequately re-charge your batteries.

Can I assume that you have a travel trailer or 5th wheel rather than a motorhome? If so, what size alternator does your current tow vehicle have? Maybe someone else can provide more info on available alternator sizes.

Terry A. Brewer:
>>i was wondering if anyone has ever connected two 8d batteries together to run the house power...<<

I have 3 AGM 8d's connected together...no problems going on 4 years.

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