Update on this purchase. When I originally got this inverter, I hooked it up to my Duracell 600HD power pack and ran the stove in auto mode. As expected, it didn't last long. However, I have tried it again in "stove temp" mode and now it will last about 4 hours and keeps the house about 69 degrees. I have two other 19 amp hour batteries and think I can get about 12 hours out of the setup if I daisy chain them all in parallell using the cigarette lighter plug input. The Duracell has only a 28ah, AGM battery which is pretty small. With a 100ah sealed agm battery, I could last a long time. In this mode, the stove uses only 40-70watts(if the feed auger is on) of power. That is a max of 6 amps devided into 28ah= 4.66amps until full 10.5volt depletion.
Power pack 600
http://www.amazon.com/Duracell-DPP-600HD-Powerpack-Starter-Emergency/dp/B000TKHMWK
Inverter
http://www.amazon.com/Prowatt-SW600-Watt-Sinewave-Inverter/dp/B002O5P8BA
If I want to put another battery in parallel to run over night, I will use the black and decker electromate 400
http://www.amazon.com/Black-Decker-VEC026BD-Electromate-Jump-Starter/dp/B000EJS9IM
Total overnight electric backup setup is about 380.00 using both power packs instead of just the Duracell. 270.00 as pictured. The battery is where most of the cost comes from, not the inverter. THese setups have other uses besides running the stove. For example, one power pack has an air compressor that works great if you make sure to fit the air nozzle completely on the valve stem(bd) and the other powerpack has an emergency radio(Duracell) both are jump starter packs to start your car, flashlights, and have build in modified square wave inverters to fun lights and things that don't mind a mod square wave for power(things without motors, or at least triac motor controls)
Pics of setup below.
Power pack 600
http://www.amazon.com/Duracell-DPP-600HD-Powerpack-Starter-Emergency/dp/B000TKHMWK
Inverter
http://www.amazon.com/Prowatt-SW600-Watt-Sinewave-Inverter/dp/B002O5P8BA
If I want to put another battery in parallel to run over night, I will use the black and decker electromate 400
http://www.amazon.com/Black-Decker-VEC026BD-Electromate-Jump-Starter/dp/B000EJS9IM
Total overnight electric backup setup is about 380.00 using both power packs instead of just the Duracell. 270.00 as pictured. The battery is where most of the cost comes from, not the inverter. THese setups have other uses besides running the stove. For example, one power pack has an air compressor that works great if you make sure to fit the air nozzle completely on the valve stem(bd) and the other powerpack has an emergency radio(Duracell) both are jump starter packs to start your car, flashlights, and have build in modified square wave inverters to fun lights and things that don't mind a mod square wave for power(things without motors, or at least triac motor controls)
Pics of setup below.