Why a 3-Way vs a 2-Way Fridge?

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DUTCH VanAtlanta said:
I am not one to stay put for more than a day or two, so there should be ample recharge of the batteries from the engine.
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Not necessarily.  It would take about 12 hours to recharge a lead acid battery from depleted.  And you'd never want to deplete it.  50% is reasonable but that would then take about 8 hours to recharge.  So if you're only driving an hour or two that won't be sufficient.

If this was a trailer or fifth wheel then you can only stuff 10 amps down the wire so if you had two 100 AmpHour batteries that would take twice as long.
 
Another point, since you mentioned a Sprinter base RV, apart from the better mileage you get, these models typically have a very low CCC (Cargo Carrying Capacity) when in a motor home format. You do not have a lot of physical storage space for multiple batteries.
 
Alfa38User said:
Another point, since you mentioned a Sprinter base RV, apart from the better mileage you get, these models typically have a very low CCC (Cargo Carrying Capacity) when in a motor home format. You do not have a lot of physical storage space for multiple batteries.
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The newer ones built on the 3500 chassis have about 2500 lbs additional load carrying capacity as compared to the 2500 chassis.
 
The newer ones built on the 3500 chassis have about 2500 lbs additional load carrying capacity as compared to the 2500 chassis.
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But... how much of that is used up by the bigger/heavier house built on it?  Many manufacturers are not listing CCC (or the new term OCC?) any longer. Being somewhat of a "doubting Thomas", I think the reason is that it does not serve their purposes to advertise a low value.....
 
Alfa38User said:
But... how much of that is used up by the bigger/heavier house built on it?  Many manufacturers are not listing CCC (or the new term OCC?) any longer. Being somewhat of a "doubting Thomas", I think the reason is that it does not serve their purposes to advertise a low value.....
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If the "house" is pretty much the same, then there is a much bigger load carrying capacity with the 3500.  Perhaps not the full 2500 lbs, but very definitely a significant amount more.
 
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