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RParker · 10-30-2018, 07:00 PM

We purchased a 2018 Montana in Feb. 2018 and headed to AZ. We had full hook ups the first 2 nights and stayed at an Indian Casino the 3rd. Temperature was 24 degrees when we arrived about 7 PM. Used hydraulic jacks to level, extend two slides, and the furnace ran off/on for about 3 hours before I noticed the voltage was down to 11.7 volts. Shut the furnace down and used extra blankets. It was 42 degrees inside the next morning. With an outside temperature of 20 degrees the next morning the hydraulic pump nearly killed the batteries and had to plug in the truck the next morning in order to fully retract the jacks. We have 2 - 12 volt batteries. I learned later the hydraulic system is an energy hog at low temperatures.

10-30-2018, 07:00 PM	#38
RParker New Member Join Date: Sep 2018 Location: Marysville Posts: 2 M.O.C. #22697	Will Furnace Kill Battery Overnight We purchased a 2018 Montana in Feb. 2018 and headed to AZ. We had full hook ups the first 2 nights and stayed at an Indian Casino the 3rd. Temperature was 24 degrees when we arrived about 7 PM. Used hydraulic jacks to level, extend two slides, and the furnace ran off/on for about 3 hours before I noticed the voltage was down to 11.7 volts. Shut the furnace down and used extra blankets. It was 42 degrees inside the next morning. With an outside temperature of 20 degrees the next morning the hydraulic pump nearly killed the batteries and had to plug in the truck the next morning in order to fully retract the jacks. We have 2 - 12 volt batteries. I learned later the hydraulic system is an energy hog at low temperatures.