Battery Set UP in off-road Trailer
Submitted: Wednesday, Aug 20, 2003 at 10:45
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Steve Mc
Hi All Im currently running a Pirahna duel batt setup in my GU which works great and runs a 40ltr Engel no probs. Im having twin deep cycle batterys fitted to my trailer to run my other fridge. Which will be charged via Anderson plug just wondering where to pick up the charge, of the cranking batt on the car where the alternator will regulate the power to the trailer or the aux batt on the car.
Any ideas would be welcomed
Cheers Steve
Reply By: Member - Rohan K - Thursday, Aug 21, 2003 at 09:17
Thursday, Aug 21, 2003 at 09:17
Steve, can't help with personal experience, sorry, but there were a number of threads a while back about this very thing. Try a search on "batteries". Also, jump over to
and do a search there.Smile, you're on ExplorOz
Rohan (
Sydney - on the QLD side of the Harbour
Bridge)
AnswerID:
28587
Reply By: phil - Thursday, Aug 21, 2003 at 18:13
Thursday, Aug 21, 2003 at 18:13
Remember that the most important thing with remote batteries is to reduce the voltage drop to an absolute minimum, ie less than 0.3 volt with a high charging current. This means BIG cables and good, high current, connectors! Connecting to the main vehicle battery is OK. Ignore this and your aux battery will never properly charge in normal use.
Phil
AnswerID:
28624
Reply By: Glenno - Thursday, Aug 21, 2003 at 21:37
Thursday, Aug 21, 2003 at 21:37
Yup dont skimp on the cables. I just wired up my Hilux dual battery with 8AWG cable from Jaycar. Its about $2.50 a metre and excellent stuff. For long distances grab some of their 4AWG cable. Little bit dearer but it will minimise the voltage drop.
Cheers,
AnswerID:
28654