Battery AC DELCO or OEM Mercedes

I’ve had an AC Delco marine battery in my 67 Jeep that soldiered on for 12 years, and an “Autocraft” battery in my parent’s car that has finally given up after seven.

I bought my last battery from Menards. They sell AC Delco batteries. They come with a full non prorated 3 year warranty at least they did last year

AC Delco was good.. lasted 2 years in my old car

I started buying AC Delco, probably now made in Korea. Anyway, 9 years in my Kia Spectra, 7 years in our rarely driven ‘02 Accord, has another in there from a year or two ago. One that was in my wrecked Cobalt, still works but is sitting. Now one for the Cavalier that had a two year old premium Everstart. The place I get the AC Delco batteries from sells a lot of them so they refresh their inventory. And they are also cheap with my business account. Was $120 for the last one, got the better option they offer. But most have been under $90. Although prices have gone up everywhere throughout various product. Just saying, for whatever reason they have been the only ones I didn’t have to warranty out every 2-3 years. Maybe I’m just getting lucky with them for the last 12-13 years. But I got tired of SuperStart and Everstart batteries that I used to go for. Duracell had been good in customer vehicles.

Everyone's suggesting things that might save you half a percent or so, but no one has pointed out that by driving at 80mph, you lose *around 30% more battery* than if you were doing 70mph over the same distance

If the battery dropped to 9V it is probably defective.

Just bought a new G63, same issue!

Saudi made AC delco batteries lack quality. Amaron and Varta are much better.

Man do yourself a favour and get either amaron or solite. Both lasted me almost 3 years. You're lucky that AC delco lasted you almost 2 years, the ones I get barely lasts a year, and that's with warranty replacement .

I’m on my 3rd battery since Nov 2021. Every time it has lasted me 1 year and 3-4 months. Not even 2 years.

I don’t have a parasitic drain. I don’t use AC a lot. I don’t jumpstart cars with it. There is no excessive load on it. Yet, they all lasted less than 2 years.