Well, 1.4 amps for one hour is 1.4 amp-hours (Ah) so if you run the heater
for 30 hours you'll use 42Ah.

--
Mike "Rocket J Squirrel" Elliott
71 Type 2: the Wonderbus
84 Westfalia: Mellow Yellow ("The Electrical Banana")
74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
KG6RCR

On 1/31/2008 9:40 AM Keith Ovregaard wrote:

> According to the Propex website specs, the HS2000 uses 13kg propane in
> 91.5 hours (1/3 lb. per hour) and 1.4 amps continuous. I am not sure
> how many pounds the westy tank holds, but a typical BBQ tank is 20lbs
> and 5 gallons. The westy is 3 gal. So, lets say there is 10lbs. That
> would give you 30 hours of continuous heat.
>
> Someone else want to do the math on the battery drain?
>
> Keith O.
>
>
> On Jan 31, 2008, at 5:54 AM, Automatic digest processor wrote:
>
>> second battery was almost dead!!! So yes, it take some juice... and
>> i would
>> not count on this thing for a week in the cold wild unless the tank
>> is full
>> and you have  2 spare batteries. The fan motor must drain about 3-4
>> amp an
>> hour. The propane will outlast the baterry, that is for sure.