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Old 02-05-2005, 11:14 AM   #1
Rivet Master
2005 22' International CCD
Buckhorn , Ontario
Join Date: Jan 2004
Posts: 8,449
Blog Entries: 5
Inteli-Power 30/40/50/60?????

Hi All

We are slowly getting ready for our trip south and have picked out a few toys we need to pick up on the way down...one being the new Inteli-Power unit.

We are not sure what amp to get - we have been told that for our trailer we don't need anything more than 30amp and yet reading through the threads ie. "Janets Husband" recommends a 60amp to get those deep cycle batteries charged up faster which they seem to prefer.

So any ideas with what we should go with - they are the same price at camping world - so just a matter of choice.

We have an A/C , Mirowave, and all the other little toys such as fridge and all the 12volt items, waterpump, lights, fans, stereo etc. We would like to run a dual battery system both in the vehicle and in the trailer and plan on getting the charge wizard.

30 - 40 - 50 or 60???

Thanks for any insite.
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Old 02-05-2005, 12:40 PM   #2
Rivet Master
1975 29' Ambassador
Reno , Nevada
Join Date: May 2003
Posts: 1,351
Your typical RV battery shouldn't be charged must faster than about 20 amps. Two of them at 40 amps. (100 AH batteries / 5 = 20 using the most common rule of thumb). More than this and you should really have a charger with a battery temperature sensor.

Other factors to consider: are you going to be trying to get as quick a charge as possible as your routine operating mode? are you going to be using a genset to run the charger and, perhaps, the AC at the same time?

If you really don't need the fast charge and you don't run a lot of 12v stuff in your trailer at the same time as you are trying to charge the batteries, a lower amp converter should work just fine. But if you have a habit of needing the fastest charge possible while running every light in the rig and watching as 12v TV/VCR combo while the SO is running a computer on an inverter, then you probably need the bigger one.

But, I think, getting a size for the max recommended charge rate of your battery bank is probably the best way to go. Do make sure you get on that is 'intelligent' and can do two or three stage charging and battery maintenance. (intellipower with charge wizard or some of the better inverter/chargers).
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