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duel batteries

General Tech Talk

Moderators: toaddog, TWISTY, V8Patrol, Moderators

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Posts: 171
Joined: Sat Feb 11, 2006 1:38 pm
Location: Brisbane

duel batteries

Post by Wilko76 »

Hi All

A question about duel batteries. I have a second bat on my gu that is controlled by a TJM control box. Does it run independantly of main bat? What does it do? The guy i bought it off ran his camper off it.

The reason i ask is that i had tinted windows fitted and the installer asked "where was the switch for my second battery" I didn'think it had one.

Hope you can clear this up for me :)
Posts: 14209
Joined: Sun Jan 11, 2004 11:36 am
Location: Adelaide

Post by -Scott- »

The TJM "control box" is probably the "switch" the installer asked about. I don't know that particular product, but it's probably one of the smart boxes which waits 'til the main battery is charged, then connects the second battery in parallel, to charge it too. Of course, when the engine's off, the second battery is disconnected from the main battery.

Does this help?

Scott
Posts: 171
Joined: Sat Feb 11, 2006 1:38 pm
Location: Brisbane

Post by Wilko76 »

Yes it does. so i can basically use the second battery to power stuff without worrying about draining my main start battery?
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Joined: Sun Jan 25, 2004 11:45 am
Location: Brisbane

Post by RV80 »

Yes thats right, run your fridge or fluro lights etc and you wont flatten the main battery..
Posts: 171
Joined: Sat Feb 11, 2006 1:38 pm
Location: Brisbane

Post by Wilko76 »

thanks all
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