
This will reduce the level of charge it is capable of. The more a battery is discharged and the deeper it is discharged will cause sulfation on the plates. Take it to autozone, they should be able to do a load test on the battery. I have had one or 2 in every vehicle except the deep cycle group 31 house RV battery under the seat There is a factory in Oregon, lead and plastic go in one side-batteries come out the other.everybody's battery.ĪC Delco is what we have used at the shop for years. measure voltage at battery with and with out engine running at speed to determine if alternator is putting outĭisconnect battery, if it no longer dies in short time, then assume it was ding becuase some drain is aoccuring in the van.ĭont buy anything from AutoZone aside from oil and bulbs. Make sure all connections in charging system are good. So you can take the battery to a shop and have its capacity tested, some places will do this for free.
#Autozone battery load tester manual#
Also see if a good manual charge brings your battery up to where it should be. So maybe Duralast is bad or not bad, but maybe it is something else. The PO went through batteries every few years by looking at the receipts he gave me. I appreciated the 5 year warranty, 3 years of it not prorated and in the end, it was not the battery that was the problem. I replaced the thick wire with welding cable, replaced my Interstate under warranty with a fresh one (no charge) and now have 2+ seasons under my belt with zero issues. My problem was the badly corroded large cable from the lug on the starter to the positive terminal on the battery, it wasn't charging properly even though alternator seemed fine. Well, take this for what it is worth, I bought an Interstate battery and it also ran great for about a year, then I started with same issue you had. I'm looking into what is draining it.but I was told today that Duralast batteries are a piece of crap and I should get an Interstate battery. I have a Duralast battery in my '84 VW vanagon - something seems to be draining it and have had to jump start twice recently. I'm always impressed with the wisdom on this forum so would appreciate your thoughts.

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