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Do you have an Interstate Battery store in your area? Many of us have purchased Group 31 reconditioned batteries for ~$60ea. They come with a warranty and are usually just as good as new ones. You have to ask for them and sometimes they are not in stock. In your area, the 250 engine may or may...

It takes at least a couple of hours to charge a good battery. One that has been drained may take overnight or even a couple of days. you should also let the battery rest for 10 minutes or more after charging so you do not get a false reading. I have some Hawker AGM batteries that are taking a...

No. 500 cca is not enough for the Cummins 250

You have a M939 series truck. That covers many variants. Have you downloaded the free tech manuals for the truck? Very important that you at least skim through the Operators manual to know how to start and turn off you truck. If not done properly, it will be a costly mistake.

If you are going to own an MV, three items I recommend everyone to own are: battery charger, battery load tester and a multimeter. Before starting any electrical troubleshoot you must make sure you batteries are fully charged and load tested. No need to spend hundreds of dollars on new...

Welcome to the site. First some house cleaning issues. Per the rules you just agreed to you need to edit you profile to list your State of residence. The US is not a state. ;-) Now to your question. Batteries have been talks about for many, many years. Nothing new there. There are hundreds of...