At full blast the Norcold DC0040 uses 2.7 amps of current.  That's not from
Norcold but actually measured after mounted in the Westy.
I'll be keeping notes on length of time in use during a seven day stay in
the mountains next month but others report 2-4 days on a single Group 91
battery under the driver seat, 2-3 days on an Optima and the better part of
a week on a 100 AH battery.
I replaced my stock aux battery with a Group 31 (110 AH) AGM under the back
seat.
I paid $475 for the Norcold, NIB including shipping.  Watch eBay.

On 6/30/07, Paul Chubbuck <paul@takingflight.net> wrote:
>
> How's the power consumption?  How long can you go without running the
> engine
> if you have an auxillary battery?
> How much did you pay for this unit?
>
> Thanks,
> Paul in Fort Collins
>
>