12 Volt to 12 Volt Chargers

Submitted: Sunday, Feb 09, 2014 at 16:34
ThreadID: 106158 Views:6650 Replies:15 FollowUps:76
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I have just been to the Newcastle Camping and Caravan show with every intention of buying one of these devices only to be told by a couple of different vendors that they are a waste of time. Could someone with some knowledge in this area give me some advice, my situation is I have a 91 model 80 series diesel with a second battery(AGM Deep Cycle) connected via Redarc isolator, I am towing a camper trailer (connected to the car via an Anderson plug and reasonably heavy wiring)with 2X95 amp lead acid deep cycle batteries. I find that if I am doing short trips between stops the trailer batteries do not get a good charge and I was told that if I added a DC to DC charger in the system that this would solve the problem. After the discussions that I had today I am not sure. Are the 12 Volt to 12 Volt charges only designed for modern alternators that do not put out as much power as the old ones? or would my system benefit from installing one of these units? Any help would be greatly appreciated as I do not want to waste my hard earned money on something that will not give me any benefit. Thanks
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