Latest battery recommendations


GTdrummer

GT Owner
Mark II Lifetime
Le Mans 2010 Supporter
Mar 13, 2010
2,104
Richmond Virginia
I have searched the forums, but I want to make sure I’m current on battery recommendations for the 05-06. I gather not many manufacturers are still making series 25. At one time , I believe the the battery of choice was Odyessey. Lately , I gather folks were going to Optima which I thought had gone to sh#t after being sold years ago. So what are people currently installing? Thanks
 

fjpikul

GT Owner
Mark IV Lifetime
Le Mans 2010 Supporter
Jan 4, 2006
11,508
Belleville, IL
Optima
 

quahog

GT Owner
Mar 12, 2017
41
Cape Cod
The 25 series is listed at Jeggs, Summit , and Amazon @ $ 250 . My 06 currently has one from previous owner so its at least 6 - 7 years old. Maintainer is a must. Replacement 25 is in the box delivered Saturday . My vintage race car has one with total loss electrics IE no generator. Last one went 3 + years and crapped out. They offer a 3 year warranty so guess what? SOL ! My Morgan plus 8 has an Odyssey gell , last one went 12 years ! Probably a better battery.
 

nota4re

GT Owner
Mark IV Lifetime
Le Mans 2010 Supporter
Feb 15, 2006
4,200
Around us here in CA, the local Orielly's usually has them in stock.
 

fjpikul

GT Owner
Mark IV Lifetime
Le Mans 2010 Supporter
Jan 4, 2006
11,508
Belleville, IL
AutoZone. Usually in stock. Sticker shock ordering from Ford at $640, and no delivery date.
 

twobjshelbys

GT Owner
Jul 26, 2010
6,069
Las Vegas, NV
The Ford battery is a re-labeled Optima. O'Reilly and Autozone both had them in stock. When I got mine the O'Reilly was about $10 cheaper.
 

GTdrummer

GT Owner
Mark II Lifetime
Le Mans 2010 Supporter
Mar 13, 2010
2,104
Richmond Virginia
So if I’m reading this correctly, odyssey is out of the game. I had great luck with them in 3 GTs.
 

TO AWSUM

Ford GT Owner
Mark II Lifetime
Jul 4, 2007
1,506
Niceville FL
I just replaced last month my Optima battery after only 2.5 years using a maintainer. Good news is it had a 3-year warrantee, so it was replaced for free. I would not buy another Optima.

The best luck I've had is when I used a Deka AGM part number 9A35/85 that lasted over 8 years. The Deka battery is easier and safer to install than the Optima because the Deka battery posts are not located under the car framework which has the potential for shorting the battery during installation. Make sure you get the Deka battery with the poles reversed so the terminals are not under the frame as shown in the below photo. Unfortunately, the Deka wasn't readily available during my last purchase, and I gambled on an Optima, even though it had a lot of bad reviews, and it lasted only 2.5 years. Bad gamble on my part.

1610761644546.png
 
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quahog

GT Owner
Mar 12, 2017
41
Cape Cod
After re read I would still support Odessey even though I went with other brand , Have not checked current price , or throw $ 250 at 3 year battery and order another in 3 years
 

07XL0027

GT Owner
Mark IV Lifetime
May 20, 2012
1,549
Austin TX
I bought an Optima from my Ford parts department about 5 years ago. GT branded, still working fine.
 

Gene Cassone

GT Owner
Mark II Lifetime
Dec 3, 2005
1,003
way upstate NY
I still have my sears diehard replaced ? 8yrs ago. Replaced it after tach went. Still running well, i know I should probably replace it ( no longer available) but concerned about cheap replacement. What is best way to check health of a battery?
 

TO AWSUM

Ford GT Owner
Mark II Lifetime
Jul 4, 2007
1,506
Niceville FL
I still have my sears diehard replaced ? 8yrs ago. Replaced it after tach went. Still running well, i know I should probably replace it ( no longer available) but concerned about cheap replacement. What is best way to check health of a battery?
Take it to Autozone or Advanced Auto or... and have them do a load test.
 

2112

Blue/white 06'
Mark II Lifetime
Odyssey no longer make a size 25. Size 35 are too big.

Optima quality is not what it used to be, but they still make group 25.
 

GTdrummer

GT Owner
Mark II Lifetime
Le Mans 2010 Supporter
Mar 13, 2010
2,104
Richmond Virginia
Odyssey no longer make a size 25. Size 35 are too big.

Optima quality is not what it used to be, but they still make group 25.
I may be missing something but Odyssey seems to be making an ODP-AGM25 they say is compatibale with the 25--PC 1400 T
 

2112

Blue/white 06'
Mark II Lifetime
I may be missing something but Odyssey seems to be making an ODP-AGM25 they say is compatibale with the 25--PC 1400 T

Can you provide a link for that?

Every time I tried to buy one, it was either officially discontinued or on “back order”.
 

GTdrummer

GT Owner
Mark II Lifetime
Le Mans 2010 Supporter
Mar 13, 2010
2,104
Richmond Virginia
Here is is from the company itself .
 

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2112

Blue/white 06'
Mark II Lifetime
Here is is from the company itself .

Understood, but try buying one.

I tried a couple months ago and gave up.
 
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GTdrummer

GT Owner
Mark II Lifetime
Le Mans 2010 Supporter
Mar 13, 2010
2,104
Richmond Virginia
I bought mine directly from the company and John says it will ship today with 30 in stock. There is a proviso. When they changed it the cranking number is marginally lower at 770 with first 5 seconds at 1200–overkill. He admitted bias but said you could not put a better battery in our cars. Hope this puts this to rest. Good luck.
 

DakotaGT

GT Owner
Mark II Lifetime
Dec 9, 2012
1,697
Sioux Falls, South Dakota
I bought mine directly from the company and John says it will ship today with 30 in stock. There is a proviso. When they changed it the cranking number is marginally lower at 770 with first 5 seconds at 1200–overkill. He admitted bias but said you could not put a better battery in our cars. Hope this puts this to rest. Good luck.

Good info. Price? Thanks.
 

2112

Blue/white 06'
Mark II Lifetime
Does the 50lb weight concern you?

Edit, the ODP-AGM25 is 46 pounds