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Old 08-12-2018, 08:32 AM   #1
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Best maint free batteries to get

can anyone point me in the right direction as far as the best top of the line maintenance free batteries to get for coach batteries?
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Old 08-12-2018, 02:27 PM   #2
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I really like my Battle Born Batteries.
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Old 08-12-2018, 06:23 PM   #3
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can anyone point me in the right direction as far as the best top of the line maintenance free batteries to get for coach batteries?
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I really like my Battle Born Batteries.
I agree with Toyman. No acid corrosion with Lithium LiFePO4 Battle Born Batteries. Ask about a Military Discount when you call them.
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Old 08-12-2018, 09:03 PM   #4
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What qualifies as "maintenance"? Adding water to wet cells? Or evaluating state of charge and recharge protocol for longest battery life?

My point is that periodically adding water (about once a year for me) is the easiest part of taking care of my flooded batteries. Much more time consuming is checking on state of charge, and deciding what (if anything) to do about it.

My LG cell phone has had a tendency to eat batteries. After research, I have found that cell phone batteries do best running between 40% and 70-80% state of charge. So I have to fight my tendency to plug in the charger when I'm at 80% - which is the right thing to do for long life of my GC-2s in the camper.

My suggestion for the ultimate "install and forget" batteries for a camper would be twice the capacity you think you need in either AGM or LiPo format. And your charger's protocol should be matched to the battery manufacturer's recommendation. All this costs money well above and beyond the $400 for a pair of GC-2s at Sams Club/Costco and a Progressive Industries converter to maintain them. Yes, I do check the water level every few months and typically have to add once a year.

Fred W
2019 Flagstaff T21TBHW A-frame
2008 Hyundai Entourage minivan
camping Colorado and adjacent states one weekend at a time

PS Just returned from first trip with the Flagstaff (installed the GC-2s a week ago).

Yes, the stock WFCO converter likely needs replacement. Looks like it won't kick down into trickle mode - the second WFCO I had that happen with.
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Old 08-12-2018, 10:11 PM   #5
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I have two Interstate deep cycle and they work great. Interstate has good reviews.
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Old 08-12-2018, 10:50 PM   #6
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I have two Interstate deep cycle and they work great. Interstate has good reviews.


I burned thru my two IB24 in 18 months and they wonít warranty deep cycle past 12 months. Wfco converter was the cause for not going into bulk mode.

Switched to Progressive industries and two Trojans 6v and all is well now.
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Old 08-12-2018, 11:00 PM   #7
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Those BattleBorn LI batteries are the cat's meow, but can these be charged at temperatures below freezing?

I have 6 6Volt, 210 AH AGM's with 630 AH combined at 12 Volt (~300 AH usable) weighing 400 lbs., 4 of those BattleBorn batteries would weigh 120 lbs. and provide ~350 usable AH and can be recharged twice as often. They are a big investment but long term ......?
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Old 08-12-2018, 11:36 PM   #8
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Any branded AGM battery should be fine but when I go AGM, it will probably be a Crown or Surette battery
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Old 08-13-2018, 01:53 AM   #9
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Those BattleBorn LI batteries are the cat's meow, but can these be charged at temperatures below freezing?

I have 6 6Volt, 210 AH AGM's with 630 AH combined at 12 Volt (~300 AH usable) weighing 400 lbs., 4 of those BattleBorn batteries would weigh 120 lbs. and provide ~350 usable AH and can be recharged twice as often. They are a big investment but long term ......?
I called Battle Born Batteries to ask about cold weather. It is true that internal BMS will not take a charge below 24F. I was told they coming out with a Lithium battery warmer for cold weather use.

But the for winter storage:
"Holds a charge for up to 1 year (without a load) without the need for a trickle charger. Great for unattended storage."
https://battlebornbatteries.com/faq/...ize-batteries/
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Old 08-13-2018, 06:21 AM   #10
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Originally Posted by HONDAMAN174 View Post
I burned thru my two IB24 in 18 months and they wonít warranty deep cycle past 12 months. Wfco converter was the cause for not going into bulk mode.

Switched to Progressive industries and two Trojans 6v and all is well now.


What is Wfco?
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