DC fridge in a car - Page 2

Yella Fella · 29th October 2015, 09:19

Quote:

Originally Posted by murphyv310

Hi Glenn.
Mine draws two amps, its about 10 years old though possibly the newer ones are slightly less.

Just notice on the back plate it says Cold Mode; 40w ~ 65w

How long would it be safe to leave it running (with the engine off) without it draining a healthy battery?

Jakg · 29th October 2015, 10:00

Quote:

Originally Posted by Yella Fella

Just notice on the back plate it says Cold Mode; 40w ~ 65w

How long would it be safe to leave it running (with the engine off) without it draining a healthy battery?

A 1.8T has a 60ah battery, which is 720w for an hour, or 65w for 11 hours.

That does leave you with a totally flat battery, though.

murphyv310 · 29th October 2015, 10:34

Golly mine is a toy. 6 330ml cans and it's full. Left all day it does make the cans quite cool.

Yella Fella · 29th October 2015, 11:14

Quote:

Originally Posted by Jakg

A 1.8T has a 60ah battery, which is 720w for an hour, or 65w for 11 hours.

That does leave you with a totally flat battery, though.

Brill info. So if I left it on for say, a couple of hours, with a healthy battery, the car would start again

Jakg · 29th October 2015, 11:27

Quote:

Originally Posted by Yella Fella

Brill info. So if I left it on for say, a couple of hours, with a healthy battery, the car would start again

65w is a bit under leaving your headlights on.

fraz59 · 29th October 2015, 16:36

if it is a proper camping fridge it will be able to run on gas/mains/12V

sounds more like a cool box than a fridge, it will keep COLD items cool but will not chill things that are already warm

I have two, one is a Halfords one, the other is a bit larger and does work quite well (so long as you put things in that have been in a fridge already) ....I ran the small Halfords one when at shows etc from a socket in the boot.(don't leave it in the boot or all it will do is suck in warm air) ....I would say any more than two hours and you are going to be looking for a jump start, don't forget a cold car will use a lot of power to turn an engine over ...I forgot and left the thing running in the boot for around 4 hours and car would not start...and yes the battery was a good one and had 85 amp hours rating

Yella Fella · 29th October 2015, 18:34

Quote:

Originally Posted by fraz59

if it is a proper camping fridge it will be able to run on gas/mains/12V

sounds more like a cool box than a fridge, it will keep COLD items cool but will not chill things that are already warm

I have two, one is a Halfords one, the other is a bit larger and does work quite well (so long as you put things in that have been in a fridge already) ....I ran the small Halfords one when at shows etc from a socket in the boot.(don't leave it in the boot or all it will do is suck in warm air) ....I would say any more than two hours and you are going to be looking for a jump start, don't forget a cold car will use a lot of power to turn an engine over ...I forgot and left the thing running in the boot for around 4 hours and car would not start...and yes the battery was a good one and had 85 amp hours rating

Fraz, I'm calling it a fridge, but your description as a cool box is probably more accurate

trikey · 29th October 2015, 20:13

Solar trickle charger will help too...

Steve42 · 30th October 2015, 13:18

have had two coolbox type over the years and my old one would kill the battery in around a hour .
that was a small one . around 6 cans .
my new one is a big one but not left it running in the car as yet.
so I would not advise you to leave on for long with out the car running .
same as a car radio it can soon drop the volts down if left on for to long.
one in our c-max will only stay on for a hour if engine is not on.

hope this helps

steve

29th October 2015, 10:34	#13
murphyv310 This is my second home Hyundai i10 998cc Join Date: Mar 2012 Location: Kilmarnock Posts: 6,602 Thanks: 2,088 Thanked 2,298 Times in 1,349 Posts	Golly mine is a toy. 6 330ml cans and it's full. Left all day it does make the cans quite cool. __________________ Cheers from Trevor MM0KJJ

29th October 2015, 20:13	#18
trikey Premium Trader Rover 75 Join Date: Nov 2010 Location: Devon Posts: 33,807 Thanks: 8,837 Thanked 14,831 Times in 8,030 Posts	Solar trickle charger will help too... __________________ Lest we forget..

29th October 2015, 16:36	#16
fraz59 Loves to post MG-ZT Join Date: Aug 2014 Location: Dunfermline Posts: 474 Thanks: 43 Thanked 83 Times in 70 Posts	if it is a proper camping fridge it will be able to run on gas/mains/12V sounds more like a cool box than a fridge, it will keep COLD items cool but will not chill things that are already warm I have two, one is a Halfords one, the other is a bit larger and does work quite well (so long as you put things in that have been in a fridge already) ....I ran the small Halfords one when at shows etc from a socket in the boot.(don't leave it in the boot or all it will do is suck in warm air) ....I would say any more than two hours and you are going to be looking for a jump start, don't forget a cold car will use a lot of power to turn an engine over ...I forgot and left the thing running in the boot for around 4 hours and car would not start...and yes the battery was a good one and had 85 amp hours rating

30th October 2015, 13:18	#19
Steve42 I really should get out more....... mg 190+ Join Date: Feb 2013 Location: Bedworth Posts: 2,267 Thanks: 191 Thanked 368 Times in 248 Posts	have had two coolbox type over the years and my old one would kill the battery in around a hour . that was a small one . around 6 cans . my new one is a big one but not left it running in the car as yet. so I would not advise you to leave on for long with out the car running . same as a car radio it can soon drop the volts down if left on for to long. one in our c-max will only stay on for a hour if engine is not on. hope this helps steve