Are there folks out there who have decided they do not like AGM batteries and believe their AGM battery purchase was a mistake, and should have purchased standard flooded lead acid batteries instead?There is a whopper of a price difference amp hour versus amp hour and I am curious to note if anyone at all believes their selection was a mistake. Hopefully positive testimonials will not avalanche the responses, nor will hypothetical dislikes cloud the query...VALUE is the issue here. Plain and simple...

If you are considering AGMs again, here's some more to consider. I am lazy and forgetful. I have the best intentions to perform all maintenance regularly on my motor home and we all know that the road to hell in paved with good intentions.Most batteries require regular maintenance to keep them at full potential and to last as long as they "should". I found that most of the time, when I got around to taking a peek inside my batteries, you could already see the top of the plates. They always seemed to die an untimely death. Now, I have LifeLine maintenance free batteries (AGM). They haven't even been looked at in 8 years and are still going strong.Maintenance free batteries are WAY more expensive than regular acid flooded batteries but, for those who are somewhat forgetful like I am, they are WAY CHEAPER than buying acid flooded batteries every 2 years because you didn't maintain them. Only you know which category you fit into.

I recently bought four 125 AH AGMs that were marked 2nds for $70 each. After sitting over the winter they are still at`12.6V and I'm putting them in the rear closet to power the home refer I'm putting in. I already have 800 AH of AGMs that are 5+ years old and I cannot tell any decrease in their capacity. Not having to fight corrosion and being able to put them inside is the biggest plus for me.

I have had the same two 120ah AGM batteries in my 5ver since 2006 when I bought them. Leave them in and disconnected over the winter and charge in the spring. No issues and they still are going strong..

MexiMy surplus AGMs will soon be a four yrs install..come JulyYou know the results of my load testing I did last yr after three years of daily use, over 1000 charge cyclesThey now have almost another year on themI'm very happy with them

Question For AGM Battery Owners... | Good Sam Community

DarthMuffin
Explorer
May 21, 2015
4 225Ah 6V AGMs here (generic/Chinese ones I believe). Have not regretted them at all, other than maybe having bought more batteries than I really need :-)
AH64ID
Explorer
May 16, 2015
I have a pair of 300AH Lifelines that are great but they are only a year old, so time will tell.

I went AGM so I could relocate them into the trailer, small vented box, and not have to check levels all the time. The 300AH is also quite nice.
toedtoes
Explorer III
May 16, 2015
I have an Optima AGM starting battery for the engine, and an Optima AGM deep cycle battery for the house. Haven't regretted either.
dons2346
Explorer
May 16, 2015
rfsod48 wrote:
Of you that have AGM batteries do you use them as starting (chassis) batteries or only as coach batteries?

I have been using a 8D Lifeline as a chassis battery for 11 years now.
rfsod48
Explorer
May 16, 2015
Of you that have AGM batteries do you use them as starting (chassis) batteries or only as coach batteries?
MEXICOWANDERER
Explorer
May 15, 2015
I wrote window sill without thinking. Floor sill alongside seat. I'm weary of spending 135 dollars fpr 65 amp hour group 34 batteries. I shot IR at that battery in Ajo Aridzona in July 2010. Air temp was 122F battery temp at the post (get this) was 158F. It has the original OEM polypropylene thermal shield. This is not the way to treat a battery and expect it to Live Long & Prosper.

Sixteen footsies of one AWG wire ain't gonna be a bargain. Terminals - lugs- posr - spiral wrap -box & lid. Oh yeah that's right I forgot the battery.
CA_Traveler
Explorer III
May 15, 2015
Mex,

Love your posts but why only 1 bat when more will fit in the trunk? 4 bats and 4/0ga would qualify for a 4 star hotel.

But your going to start on the port side window and then cross to the passenger starboard side??? I didn't think that Mexican cars were like the UK cars???
MEXICOWANDERER
Explorer
May 15, 2015
I am toying with the idea of fitting a 31 in the toad trunk and passing a 1-AWG cable alongside the port side window sill through the passenger compartment and linking the OEM cables near the battery to be removed. A 1/2" stud terminal block. There is new spiral wrap wire sheathing out on the market that is cut and abrasion proof not merely resistant. Then I don't have to screw around with a second battery if I decide to spend the night reclined at a 24hr gasolinera. Slam the doors on mosquito netting, stick the Endless Breeze in a window, cinch up the power window and I have a free one-star hotel room.
christopherglen
Explorer
May 14, 2015
I am running concorde Sun Xtender AGM's in my TH, as well as in solar projects at work. The oldest in service date is 2004? The RV batteries are 4-5 years old, the only maintenance (other then hosing them off once) was tightening the hold down straps, and plugging the inverter/charger in at the end of trips.
gypsmjim
Explorer
May 14, 2015
MEXICOWANDERER wrote:
Mind sharing the brand names of these batteries?

And the make and model of their charger?

If that was directed at me.....

The "bad" AGM that was replaced / defective after 1 year was an Odyssey. The ones that won't accept a smart charge and the one that died in 2 years were all Deka's.

A replacement Deka wet cell is now questionable after 3 years.

All the "good" wet cells were Die Hards, except for one from AutoZone that actually has been outstanding.

The charger is a West Marine auto smart charger, 15 amp, with settings for wet, gel and agm.