Good Sam Club Open Roads Forum: General RVing Issues: 12 vdc fridge
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Skibane

San Antonio, TX

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Joined: 11/09/2005

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Posted: 04/04/22 07:04pm Link  |  Quote  |  Print  |  Notify Moderator

LittleBill wrote:

I have a arb cooler, which uses the danfoss compressor. this thing pulls 4.5 amps when running. in a car with a h7 battery it will be unable to start in about 2.5 days.


Group H7 isn't a particularly large battery size - only around 40-60 amp-hours.

Just one Group 31 deep-cycle battery will provide around twice as many amp-hours - and will increase your fridge's run-time accordingly.

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