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YOUR RESEARCHDie Hard ($159) or Interstate ($175)?
Leading reported evidence
Install battery tray
Performed · outcome unconfirmed
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Performed · outcome unconfirmed
What I did to get around that was to take off the battery tray, put a stainless steel bolt with a star washer through the bottom of the hole so the bolt/star washer was upside down, and then re-installed the battery tray.
Leading evidence: 'Install battery tray' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check around - you should be able' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed
It is what I have used for several years, and when I had a problem they just swapped it out.
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Performed · outcome unconfirmed
Walmart for the win, have always used their batteries and never gave me a problem.
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Performed · outcome unconfirmed
What I did to get around that was to take off the battery tray, put a stainless steel bolt with a star washer through the bottom of the hole so the bolt/star washer was upside down, and then re-installed the battery tray.
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Rennlist: 1 discussions
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Generation: 20261026T161109Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Do a search and you'll find other alternatives. I went to Autozone and got the cheaper battery. It works fine.
https://rennlist.com/forums/996-foru...ch-2011-a.html
-td
The techs at a dealer I visit once in a while swear by Interstate batteries too. In fact the dealership went away from using the IIRC Moll battery and now use Interstate exclusively.
Word up though: the best Interstate batteries I hear -- from the techs -- are made in Spain. I checked the battery in my car and didn't see any sticker indicating where the battery was made. I haven't had a chance to ask where the made in Spain sticker is so it may be on the side or end of the battery. I didn't bother to remove the battery to see if I could find the sticker. The battery is working just fine and I'm not going to worry about it until it doesn't.
But if you have a chance to look over the battery before you buy it and have it installed...
Sincerely,
Macster.
I have an Interstate in the Turbo and an AutoZone batter in the Boxster.
You should be able to buy an Interstate (MTP-91) for closer to $120. I've seen them at Costco for <$90. Not sure if this is your size. Check.
I never liked the Interstates and always had bad luck with them. I bought a Bosch at Pep Boys for less than $100 for my wife's 996 last year, seems to be good so far.
My $0.02
Bosch Premium Plus Group 49
w/850CCA and 1000CA
some of the best numbers I have seen!
36 month free replacement
96 month pro rated replacement
3 year roadside assistance
About $100 at Pep Boys
+1 on Logray's suggestion. Walmart (at least locally) lists as the proper replacement an H6 size, which has 770 CCA and fits the third bolt hole in & performs identically to the monster sized one I replaced.
Autozone has a private label battery that is made by Bosch and is exactly the same as the OEM battery right down to the flip up handles for about $110.
The one you buy at autozone, walmart, pep boys, costco, and many other places is a relabeled Johnson controls IIRC, or whatever manufacturer de jour.
I'm not a fan of interstate, with the golf car, boat, and an RV know all too well that Interstate is not really respected for the amount of lead they use in their batteries. Will it work though? Sure.
Funny, I just replaced the battery in my C4S. Walmart for the win, have always used their batteries and never gave me a problem. Picked one up for $89.99. WIN
When researching batteries, I discovered that every battery brand in the world is made in one of 3 factories... so just look for the best price and longest warranty that you can find. Do not buy based on advertising because it is all just hype.
Installed the Group 49 battery (Sears Diehard Advanced Gold AGM battery, 850 CCA)... it takes up the entire tray and the retainer attaches to the last hole (the one without the threaded pre-attached nut).
What I did to get around that was to take off the battery tray, put a stainless steel bolt with a star washer through the bottom of the hole so the bolt/star washer was upside down, and then re-installed the battery tray. I bought the locknut, washer and bolt at Home Depot
Next, I put in the battery and battery retainer and fastened it down with a stainless steel nut with a nylon insert (or lock nut).
The battery tray allows for a open ended wrench to be slid under to hold the bolt while you ratchet down the nut. You will have to remove the black panel that is next to the battery on the passenger side of the car (very simple, just one torx screw) to get your hand in there with the open ended wrench.
Perfect fit, and a 1-2-3 solution for the bolt hole! Total install time = 4 minutes
