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12 volt fridge.

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Created by southace > 9 months ago, 12 Jul 2017
southace
SA, 4794 posts
12 Jul 2017 7:28PM
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7.5 amps how many times would this fridge run when full over a 12 hour period? Anyone got the stats?

Donk107
TAS, 2446 posts
12 Jul 2017 8:09PM
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Hi Southace

This might help. www.12volt.com.au/General%20Htmls/pdf/WAECO/Amps%20per%20hour.pdf

Regards Don

Kankama
NSW, 781 posts
13 Jul 2017 7:15AM
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I have a Waeco compressor and evaporator unit installed in my self built box. It runs about 30-50% of the time. So at 7.5 AH x 6 hours (half of 12) will take 45 AH.

cheers
Phil

woko
NSW, 1745 posts
13 Jul 2017 8:52AM
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I've got 60l companion onboard and use about 20a/h a day, including lights and car radio. That's in northern NSW, winter air temp problely 20ish
ps. Check out the portable fridges at vic off-road

Sectorsteve
QLD, 2195 posts
13 Jul 2017 9:21AM
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im trying on this trip the advice of someone on here (i cant remember who sorry, but thank you!)
Im leaving Sunday for QLD from Syd harbour and currently i have 5 frozen 2L milk bottles in the freezer(at home). Onboard i have an 80L Esky that ive swapped out with the cabin-to-cockpit steps. Had to shave the sides a bit for it to fit, but fit it does, very well. Paddle board grip on the top of it plus its a great seat. Behind this i have the fridge/freezer(where an inboard would have been) which im a bit scared to use as ive never really had enough grunt in the solar/battery departments. I think ive got enough power now, so the plan is after about 3/4 days, to re freeze the bottles in the freezer, which i experimented with in the car a few months back. Would only take a few hours to freeze these so im really hoping it will work ok. This means that according to the Waeco chart, my fridge running as a freezer will drain about 9amps to freeze my bottles which will keep everything cold in the esky for another 3/4 days. Its a good esky.
If this works it will be a good thing!

Ramona
NSW, 7722 posts
13 Jul 2017 6:01PM
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Select to expand quote
Sectorsteve said..
im trying on this trip the advice of someone on here (i cant remember who sorry, but thank you!)
Im leaving Sunday for QLD from Syd harbour and currently i have 5 frozen 2L milk bottles in the freezer(at home). Onboard i have an 80L Esky that ive swapped out with the cabin-to-cockpit steps. Had to shave the sides a bit for it to fit, but fit it does, very well. Paddle board grip on the top of it plus its a great seat. Behind this i have the fridge/freezer(where an inboard would have been) which im a bit scared to use as ive never really had enough grunt in the solar/battery departments. I think ive got enough power now, so the plan is after about 3/4 days, to re freeze the bottles in the freezer, which i experimented with in the car a few months back. Would only take a few hours to freeze these so im really hoping it will work ok. This means that according to the Waeco chart, my fridge running as a freezer will drain about 9amps to freeze my bottles which will keep everything cold in the esky for another 3/4 days. Its a good esky.
If this works it will be a good thing!


Or go with out a frig altogether. Victual the vessel like sailors do. Have a beer ashore when you get there!

zilla
144 posts
13 Jul 2017 7:20PM
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I have a Waeco CR-80 upright fridge in my yacht. It cycles about 50% of the time in hot weather and draws about 3.5A. Over a 24 hr period that means it draws 24x0.5x3.5 = 42Ah.



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"12 volt fridge." started by southace