Running compressor off aux battery
Submitted: Thursday, Jun 10, 2010 at 14:32
ThreadID:
79224
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5265
Replies:
8
FollowUps:
3
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crd patrol
Hi all,
Has anyone run their 12v air compressor off their aux battery. Any problems associated with this.
Any info greatly appreciated
Cheers
crd
Reply By: Sir Kev & Darkie - Thursday, Jun 10, 2010 at 14:34
Thursday, Jun 10, 2010 at 14:34
I have
mine hardwired under the bonnet to my aux battery, so far have had no issues.
Cheers Kev
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AnswerID:
420317
Reply By: 4X4Treker - Thursday, Jun 10, 2010 at 14:44
Thursday, Jun 10, 2010 at 14:44
I have always run my compressor off of the Aux battery in all of my 4X4's for all intents when the engine is running the aux battery is the same potential as the cranking battery anyway.
Reason for running the compressor off of the Aux battery is so that it leaves the cranking battery for just that cranking and running the essential vehicle stuff.
My compressor has also always been mounted into the vehicle and hard wired.
AnswerID:
420319
Reply By: Member - evren1 (WA) - Thursday, Jun 10, 2010 at 14:44
Thursday, Jun 10, 2010 at 14:44
all my accessories run from my aux, including compressor. starter battery solely for starting the car!
Evan
AnswerID:
420320
Reply By: Member -Signman - Thursday, Jun 10, 2010 at 14:52
Thursday, Jun 10, 2010 at 14:52
Not a 'smart' comment here..
But why would you think there may be a problem??
AnswerID:
420322
Follow Up By: crd patrol - Thursday, Jun 10, 2010 at 19:21
Thursday, Jun 10, 2010 at 19:21
Signman,
I have always run my compressor off the starting battery due to the fact that I thought when running the compressor it would pull around 20+ amps thus draining the aux battery (fullriver agm) to quickly and as agm batteries don't like to be drained too quickly I "thought" this may harm it. I also keep the vehicle idling when I use the compressor so it keeps charging the starting battery.
Apparently, going on what has been said above and below my concerns are unfounded. Now I feel like a bit of a goose!!. A stupid question is one you don't ask, as they say.
Cheers
crd
FollowupID:
690512
Reply By: Member - Ian W1 (QLD) - Thursday, Jun 10, 2010 at 15:03
Thursday, Jun 10, 2010 at 15:03
My compressor is hardwired to the aux battery, so is my UHF...no problems for over 10 years. Cheers, Ian
AnswerID:
420323
Reply By: Baz&Pud (Tassie) - Thursday, Jun 10, 2010 at 15:23
Thursday, Jun 10, 2010 at 15:23
crd patrol
We have an Anderson Plug on our compressor wire, and a wire from the battery to an Anderson Plug on the bull bar, snap together and away you go.
Cheers
Baz
AnswerID:
420324
Follow Up By: Member -Pinko (NSW) - Thursday, Jun 10, 2010 at 17:09
Thursday, Jun 10, 2010 at 17:09
Hi Pud
I do
mine the same.
Stan
FollowupID:
690485
Reply By: crd patrol - Thursday, Jun 10, 2010 at 19:27
Thursday, Jun 10, 2010 at 19:27
Thanks guys.
It looks like my fears were unfounded.
I will now go ahead and wire the compressor up to the aux battery.
Cheers
crd
AnswerID:
420357
Reply By: Member - Oldplodder (QLD) - Thursday, Jun 10, 2010 at 19:41
Thursday, Jun 10, 2010 at 19:41
I have had one problem with running everything off the aux battery.
Been running fridge, compressor and CB etc off the aux battery.
Some mornings, the CB has not transmitted properly, i.e. a garbled signal.
Worked out the voltage was too low, the voltage cut out had tripped on the battery.
But that is more from running the fridge than the compressor.
AnswerID:
420363
Follow Up By: Steve and Viv - Saturday, Jun 12, 2010 at 15:11
Saturday, Jun 12, 2010 at 15:11
They do recommend for that reason to run your UHF or any Comms gear from the main battery.
FollowupID:
690731