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Topic: Quartzite and Portable freezers (Read 471 times) previous topic - next topic

Quartzite and Portable freezers

We just purchased a Whynter 45G fridge/freezer to keep our pup's raw food cold.....I'm concerned about battery usage while @ Q we have 2 120W panels....below is the usage chart from Whynter...any thoughts appreciated as always.
https://www.whynter.com/wp-content/uploads/FM-45G-Comsumption-Chart-1.pdf

Hans & Marjet
1995 U300 "Ben" (#4719)
3176B Cat,4060HD,Jake
SKP#139131
Motorcade#17579
2006 Honda Element (towed)

Re: Quartzite and Portable freezers

Reply #1 –
Don't need no freezer tonite!
1993 U-240 "La Villa Grande"..CAT 3116 w/ Pacbrake PRXB...Allison 3060 6-speed..
Previous: 1983 Airstream 310 turbo diesel, 1979 Airstream 280 turbo diesel
                                      Build # 4297
                                      PNW natives
                      Home base:  'Cactus Hug' (Ajo, Arizona)
                        DW Judy & Chet the wonder dog
                        Full-Timers 'Sailing the asphalt sea'

Re: Quartzite and Portable freezers

Reply #2 –
Your battery capacity is going to be way more than on the chart. The temp that time of year will probably put you in the 77 deg. chart. What AH's the 2 125 watt panels put out depends on clouds and sun angle at the Q. You definitely have enough battery power to go through the night and if you need to supplement the solar just use the generator.
1999 40 ft. U-320 wtfe build 5563 Chuck & Lynda's "Rollin' Inn"  2030 watts solar
prev. mh's 71 GMC 5 yrs. 73 Pace Setter 1 yr. 78 Vogue 5 yrs 81 FTX 40ft all electric 18 yrs. 1996 Monaco Signature 3 yrs.
2014 Grand Cherokee Overland
Dream as if you will live forever. Live as if you will die today.  James Dean

Re: Quartzite and Portable freezers

Reply #3 –
Hans, will you need to run your main inverter to provide power to the fridge?  If yes, you may want to do a trial run at home.

My magnum 2812 inverter puts enough load on my batteries that they are low by morning if I leave it on overnight.  Since Barb and I both use a CPAP keeping 120v available is necessary.  I solved my battery problem by installing a few smaller inverters for specific uses.  2-300 watt and a 700 watt.

After a home trial you may want a smaller inverter just for the Fridge.  Running your generator will likely also be necessary, since you don't have a lot of solar.  I have a 170 watt panel and I run my generator twice a day.  I almost never use my big inverter anymore.
1998 U320 40'
2005 GMC Yukon
MC# 17609

Re: Quartzite and Portable freezers

Reply #4 –
Steve, his fridge is also 12 volt. No inverter needed
1999 40 ft. U-320 wtfe build 5563 Chuck & Lynda's "Rollin' Inn"  2030 watts solar
prev. mh's 71 GMC 5 yrs. 73 Pace Setter 1 yr. 78 Vogue 5 yrs 81 FTX 40ft all electric 18 yrs. 1996 Monaco Signature 3 yrs.
2014 Grand Cherokee Overland
Dream as if you will live forever. Live as if you will die today.  James Dean
 

Re: Quartzite and Portable freezers

Reply #5 –
Hans- running your fridge and other items will depend on your battery capacity.  We replaced your 2 8D AGM batteries a few years ago and they should still be good knowing how well you take care of them.  The real issue is your total usage in amp hours vs what your solar generates, the balance can be made up by running your generator.

I know you have an Amish cooling unit on your refrigerator so that should not use much amp hours.  I suggest installing a power meter like a  Victron 712 or Triametic ( spelling doesn't count) so you can monitor you amp hours used overnight.  I finally broke down and got one and I am amazed at what uses power and what doesn't.  Of course, how you use your power in the evenings after dark has a lot to do with it. 

Looking forward to seeing you & Marjet soon- safe travels.              ^.^d
Ted & Karen
2001 U270 36' - sold after 12 years full timing