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AGM Batteries #4658819
02/07/18 08:32 AM
02/07/18 08:32 AM
Joined: Dec 2017
Posts: 3,378
SE British Columbia, Canada
Snagglefoot Offline OP
Snagglefoot  Offline OP
Joined: Dec 2017
Posts: 3,378
SE British Columbia, Canada
We just installed a new AGM battery in my sonís pickup. Aside from being maintenance free, apparently the deep cycle versions are good for service in RVís because they can be drawn down by 80% vs the recommended max of 50% with conventional lead-acid batteries. They are more expensive, starting at $160 US dollars at Canadian Tire in Canada. How are AGM batteries holding up for you folks?

SF


If you want the job done right......do it yourself.
Re: AGM Batteries [Re: Snagglefoot] #4658833
02/07/18 08:42 AM
02/07/18 08:42 AM
Joined: Jun 2003
Posts: 18,044
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline
Joined: Jun 2003
Posts: 18,044
Deplorable in apple valley, ca
90 months out of an exide orbital.80 out of an optima. Only 48 out of 2 group 65 auto zone agm batts.

Last edited by Chris142; 02/07/18 08:42 AM.

02 Wrangler carlube 5w30
87 F250 traveler 15w40
07 fjcruiser Chevron 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: AGM Batteries [Re: Snagglefoot] #4658859
02/07/18 09:05 AM
02/07/18 09:05 AM
Joined: Mar 2011
Posts: 1,928
CA
spackard Offline
spackard  Offline
Joined: Mar 2011
Posts: 1,928
CA
Very poor longevity with Optima red-top in my cars.
They wouldn't die enough to cause a no-start; they'd die enough to make electronics flaky, and burn an alternator.
Low voltage, but not low enough current that I couldn't start.

I've gone with X2Power from Batteries Plus. We'll see how that does. Same size battery; weighs a heck of a lot more.

Re: AGM Batteries [Re: Snagglefoot] #4658878
02/07/18 09:31 AM
02/07/18 09:31 AM
Joined: Jan 2006
Posts: 142
stl
pb Offline
pb  Offline
Joined: Jan 2006
Posts: 142
stl
i love them. no more mess from wet cells leaking or post corrosion. you'll want to look into an AGM specific charger.
i just retired a 17 year old red top because the load test indicated weak.

Re: AGM Batteries [Re: Snagglefoot] #4658942
02/07/18 10:43 AM
02/07/18 10:43 AM
Joined: Mar 2005
Posts: 173
NW Indiana
PSS Offline
PSS  Offline
Joined: Mar 2005
Posts: 173
NW Indiana
I got 60 months off my last optima red 34R.

I picked up a Bosch AGM from pepboys with the 30% off coupon. They made a group 48 AGM for my Volvo 740 which is a bigger fit. Maybe it will last longer?

Re: AGM Batteries [Re: Snagglefoot] #4658945
02/07/18 10:48 AM
02/07/18 10:48 AM
Joined: Oct 2013
Posts: 418
TX
2012AccentSE Offline
2012AccentSE  Offline
Joined: Oct 2013
Posts: 418
TX
Just replaced the Optima in the f150 with an everstart maxx a couple months ago. The Optima had a 2013 date sticker on it, so 4 years...not too great in my book. On the other hand, my gf has a Bosch Platinum AGM in her Corolla. About a year and a half old with no issues (to be expected).

Last edited by 2012AccentSE; 02/07/18 10:49 AM.

2008 F150 KR 5.4L 3v
MileSyn blend 5w30
MC 820s
TCW3

2010 Corolla 1.8L
MileSyn blend 5w20
Toyota OEM
Top Tier

2014 CFMoto 650NK
Rotella T6 5w40
CFMoto OEM
Stabil
Re: AGM Batteries [Re: Snagglefoot] #4658949
02/07/18 10:50 AM
02/07/18 10:50 AM
Joined: Mar 2004
Posts: 21,346
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 21,346
Upstate NY
The vehicles people installed an AGM in, was the original battery a normal flooded cell? The alternator handles the AGM just fine?


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: AGM Batteries [Re: Donald] #4658973
02/07/18 11:20 AM
02/07/18 11:20 AM
Joined: Oct 2013
Posts: 418
TX
2012AccentSE Offline
2012AccentSE  Offline
Joined: Oct 2013
Posts: 418
TX
Originally Posted By: Donald
The vehicles people installed an AGM in, was the original battery a normal flooded cell? The alternator handles the AGM just fine?

I've never had any issues switching between AGM's and flooded cells. Back and forth.


2008 F150 KR 5.4L 3v
MileSyn blend 5w30
MC 820s
TCW3

2010 Corolla 1.8L
MileSyn blend 5w20
Toyota OEM
Top Tier

2014 CFMoto 650NK
Rotella T6 5w40
CFMoto OEM
Stabil
Re: AGM Batteries [Re: 2012AccentSE] #4658990
02/07/18 11:49 AM
02/07/18 11:49 AM
Joined: Jun 2004
Posts: 307
Valencia, CA
Richie Offline
Richie  Offline
Joined: Jun 2004
Posts: 307
Valencia, CA
Ditto that. I only run AGM batteries in my vehicles.

Originally Posted By: 2012AccentSE
Originally Posted By: Donald
The vehicles people installed an AGM in, was the original battery a normal flooded cell? The alternator handles the AGM just fine?

I've never had any issues switching between AGM's and flooded cells. Back and forth.

Re: AGM Batteries [Re: PSS] #4658995
02/07/18 11:59 AM
02/07/18 11:59 AM
Joined: Aug 2016
Posts: 661
New Jersey
THafeez Offline
THafeez  Offline
Joined: Aug 2016
Posts: 661
New Jersey
Bosch's are generally problem free. When I worked there the defective ones were few and far between. Definitely sold more than we had problems with. A lot of the times the batteries were good and there was a problem with the car. Parasitic drain kills new batteries fast as well so there's not much we can do about that.


2004 Toyota Solara SE 2.4 2AZFE
182,000 miles
Castrol Magnatec Semi-Syn 5W30
Royal Purple 20-400 oversize 2nd run
Re: AGM Batteries [Re: Snagglefoot] #4659034
02/07/18 12:41 PM
02/07/18 12:41 PM
Joined: Jun 2005
Posts: 5,296
North Texas
ARB1977 Offline
ARB1977  Offline
Joined: Jun 2005
Posts: 5,296
North Texas
Had 3 years on a optima red top. Went 7 years plus on a diehard platinum. Wish they still made those.


2015 Tacoma 4.0L 60K (as of 02/23/18)
AMSOIL SS 0W30 / Toyota filter

2018 CRV 1.5L (as of 05/11/18)
Factory fill / Honda filter
Re: AGM Batteries [Re: Snagglefoot] #4659098
02/07/18 01:31 PM
02/07/18 01:31 PM
Joined: May 2012
Posts: 953
Rio Rancho, NM
Pajero Offline
Pajero  Offline
Joined: May 2012
Posts: 953
Rio Rancho, NM
I really like Odyssey 1750 Group 65 . They are expensive, but reliable. Sears in the past had their Platinum Battery line, that was made by Odyssey Battery and was awesome. But, it was discontinued. Optima batteries were great a decade ago. But, never served me more than 3 years and died.



Respectfully,

Pajero!


Always remember "Planned obsolescence."

1994 Montero SR 3.5 DOHC, 133,xxx
Fram Ultra/ Snorkel with Pre-filter
K-9-Co-pilot
Re: AGM Batteries [Re: Snagglefoot] #4659244
02/07/18 04:06 PM
02/07/18 04:06 PM
Joined: Nov 2012
Posts: 479
Ajax,Ontario, Canada
Pelican Offline
Pelican  Offline
Joined: Nov 2012
Posts: 479
Ajax,Ontario, Canada
Originally Posted By: Snagglefoot
We just installed a new AGM battery in my sonís pickup. Aside from being maintenance free, apparently the deep cycle versions are good for service in RVís because they can be drawn down by 80% vs the recommended max of 50% with conventional lead-acid batteries. They are more expensive, starting at $160 US dollars at Canadian Tire in Canada. How are AGM batteries holding up for you folks?
SF


Canadian Tire sell batteries, but not quality batteries under their own name. Just to give you a comparison, my car 2017 Lexus RX350 needs Grp 24f and the Odyssey or NorthStar AGM would cost me ca$360. Canadian Tire used to give you free replacement, but you paid for labour and you'd have to exchange the battery at least once a year, all in all not a good economic investment. The thing you have to remember with AGM is that they give you no warning before they fail, it's full charge and suddenly full nothing, but they are way better than the flooded cells ones.

Last edited by Pelican; 02/07/18 04:07 PM.
Re: AGM Batteries [Re: Snagglefoot] #4659271
02/07/18 04:33 PM
02/07/18 04:33 PM
Joined: Aug 2014
Posts: 80
Texas
DallasTexas Offline
DallasTexas  Offline
Joined: Aug 2014
Posts: 80
Texas
I am on my 4th Benz all Diesel and the batteries are located in trun, under floorboard, or under rear seat they all had AGM and they last 8-10 year's. My last battery was from a Sears Gold or Platinum on Sale for $90 for a group 49 last year for my CDI. In a nutshell location is key to longevity.


06 E320 CDI 98k miles
14 Sienna 33k miles
96 E300 297k miles Donated
Re: AGM Batteries [Re: Snagglefoot] #4659420
02/07/18 07:10 PM
02/07/18 07:10 PM
Joined: Nov 2010
Posts: 2,845
California
Errtt Offline
Errtt  Offline
Joined: Nov 2010
Posts: 2,845
California
I dropped in an AGM in the wife's RX330. It's common for her to start/drive it once a week (short trip only), sometimes it sits for 2 weeks. It recently sat for a few weeks (she has the flu) so I decided to go out early one morning just to crank and run it and it turned over and started like it hasn't been sitting. Although the AGM battery is less than a year old. It turned over with authority

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