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Hi,

I have a combi cool fridge (Top opening type)

Anyone else have one of these? I usually run mine from hook up or gas. Anyone use there's on 12v? How long should it run from a fully charged 11oA Battery?

Thanks

Guy
 

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Hi mate not sure about this but i have a top opening cool box similar to yours mine is three way to, 12volt 90w 7.5amp now i think you divide 110 by your 12v amperage in my case 110/7.5 which in theory should run forabout 15 hrs but not surePerhaps someone on the forum could confirm. hope this helps
 

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you also need to bear in mind that the heater on the fridge wont be on all the time as it will out on thermostat,a compressor on a domestic fridge only runs about 1/3rd the time. i would guess for a 3 way about 1/2 the time, so maybe double the hours on the battery:)
 

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works out around 7.5 amp hour. so 110ah devided by 7.5 gives 14.6 hours but remeber that would be a fully ran down battery. so really to stay above the recomended 40% low your only going to get around 8.8hours
hth
ian
 
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