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Old 01-27-2014, 05:29 PM   #11
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my point exactly....

in reality i only would/do use my batts paralled when not on shore or genny and running the inverter for tvs/satellite.

so in that situation we are realistically talking about in a park or cg where genny use is regulated.....so say from 8 pm to MAYBE 2-3 am.....so like 6hrs? then i can take em off the bank..


the more i think about it, the more i think im going to just do it and see what happens....if/when they go bad then ill have an excuse to put new MATCHED ones in! LOL
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Old 01-27-2014, 06:22 PM   #12
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I would suggest desulfating the old one, hooking them together and running them down at the 20hr rate to 20% or so and gently charge them back up at the 10 hr rate. A couple of these cycles should balance them together.

So for 2 80 ah bats, discharge at 8 amps for about 16 hours , recharge at no more than 16 amps.

I use 12volt regular incandescent bulbs in sockets. They come in various wattages so one 100 watter should about do it.

OR don't worry about it and just go with what you have. Remember to pull the pos and neg leads off of different batteries to equalize the current draw.
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Old 01-27-2014, 06:26 PM   #13
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I personally don't think 2 batteries are necessary. If you dry camp for any length of time, you are going to need a generator anyway. I just use a Group 30 Trojan battery and a 2,000 watt Honda. You are going to want occasional 110 volt anyway at times. Works great. I have gone for 2 weeks with this setup with no issues whatsoever.
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Old 01-27-2014, 08:27 PM   #14
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Quote:
Originally Posted by acadianbob View Post
I personally don't think 2 batteries are necessary. If you dry camp for any length of time, you are going to need a generator anyway. I just use a Group 30 Trojan battery and a 2,000 watt Honda. You are going to want occasional 110 volt anyway at times. Works great. I have gone for 2 weeks with this setup with no issues whatsoever.
well thats the thing.....we DO have 110 without the genny...as in the inverter....

and my kids and wife like to watch tv/movies etc once we finish up a day of hiking/rafting/biking/shopping/whatever.....

if we are in a rv park with hookups all good.....if we are boondocking in bfe, all good...

but most national parks have and a lot of state parks have quite no genny hours..and with the inverter we can keep on living in our lil camper world like nothing has changed(unless we need a/c...then its a whole diff hurricane)

thats just us and how we camp.....many can and do get by with a single group 27 and a quiet genny (i have a champion 4000 remote start and a 2000inverter)

thing is those batts dont like to pulled on and discharged like that the way the larger inverters can...they do better and last longer with 2 or more paralled...

but yes...most dont NEED 2 batteries
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