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77rollalong

Brighton Ontario

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Joined: 02/03/2018

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Posted: 06/21/19 04:59am Link  |  Quote  |  Print  |  Notify Moderator

we now have 3 deep cycle 12v batterys in ours, the original under the hood , and I welded up a battery tray to hold 2 more thats bolted to the frame rail of the truck in between the steps and the frame..

ron.dittmer

North-East Illinois

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Joined: 02/26/2007

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Posted: 06/21/19 08:34pm Link  |  Quote  |  Print  |  Notify Moderator

Our rig originally came with two 12V lead acid wet batteries. After the second set failed, I switched to a pair of 6V AGM batteries. Doing so required a setting change in our on-board battery charger.

WOW, what an improvement in battery reserves and years of longevity. Year number 4 and they are still performing exceptionally. Both sets of 12V lead acid batteries provided only 2 good years, year 3 was marginal, year 4 was one year too late.

Both sets of 12V batteries discharged and recharged at different rates causing an imbalance, acid boil-overs, an undercharged battery, and an over-charged battery. The two 6V AGMs discharge and recharge in unison, hence a perfect marriage for power. I bought them at Sam's club for $180 each, brand is Duracell.


2007 Phoenix Cruiser model 2350, with 2006 Jeep Liberty in-tow


CaptR

Kanab, Utah

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Posted: 06/21/19 11:45pm Link  |  Quote  |  Print  |  Notify Moderator

Great info- thanks

BFL13

Victoria, BC

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Joined: 02/15/2006

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Posted: 06/22/19 06:53pm Link  |  Quote  |  Print  |  Notify Moderator

ron.dittmer wrote:

Our rig originally came with two 12V lead acid wet batteries. After the second set failed, I switched to a pair of 6V AGM batteries. Doing so required a setting change in our on-board battery charger.

WOW, what an improvement in battery reserves and years of longevity. Year number 4 and they are still performing exceptionally. Both sets of 12V lead acid batteries provided only 2 good years, year 3 was marginal, year 4 was one year too late.

Both sets of 12V batteries discharged and recharged at different rates causing an imbalance, acid boil-overs, an undercharged battery, and an over-charged battery. The two 6V AGMs discharge and recharge in unison, hence a perfect marriage for power. I bought them at Sam's club for $180 each, brand is Duracell.


If you still have the details, please provide the brand/model of the battery charger, and what the previous setting was for the 12s, and what the new setting was for the 6v AGMs.

Also for interest, were the two 12s for either set wired "balanced" or did you have one with the loads/charging on it, and the other "downstream"?

(With two 6s you have to have them balanced for load/charging, so that does not count as such, but with 12s it can make a difference.)


1991 Oakland 28DB Class C
on Ford E350-460-7.5 Gas EFI
See Profile for House electronics set-up.

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