Batteries purchase on the road? Where is the best place?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by International2020, May 25, 2024.

  1. International2020

    International2020 Light Load Member

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    Where’s the best place to get batteries while out in the road?
     
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  3. blairandgretchen

    blairandgretchen Road Train Member

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    Wherever you do buy them, ask if there is a nation wide warranty.

    KW and Pete if I recall, you have to return to original POS - Freightliner or Fleet pride I think are nationwide.

    Don’t help you to return a dud when you’re 1000 miles away.
     
  4. little cat 500

    little cat 500 Road Train Member

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  5. Arctic_fox

    Arctic_fox Experienced mx13 execrator

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    Napa. They are bloody everywhere, they carry the exact same kinds of batterys as the "big truck" places and often for cheaper, and if you get one that goes dud mode on you because of the 2 above you can swap it out easily. Plus they tend to have a bigger selection such as deep cycles. And a goodly percentage of them have or are near to big truck access and many will even meet you nearby with their delivery pickup for a fee.
     
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  6. International2020

    International2020 Light Load Member

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    How do I know which batteries are able to use for the truck because NAPA‘s vehicle selector doesn’t have semi trucks on them
     
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  7. xsetra

    xsetra Road Train Member

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  8. broke down plumber

    broke down plumber Medium Load Member

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    Napa has good filters too , what i used on the backhoe and what not
     
  9. International2020

    International2020 Light Load Member

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    Alright well. I had already replaced my batteries just a few weeks ago cause was having inverter issues. But I still am. I think it’s my alternator at this point. But I was wanting to know in the mean time if I shut my truck off for 10 hours, it don’t even last that long before it’s cutting all my auxiliary power inside the truck and I have to crank it. What’s the cause of that?
     
  10. Gridaxe5588

    Gridaxe5588 Light Load Member

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    Not sure what inverter you have but on my Magnum I can set a low battery cut off, maybe check to see if you have that on yours and it's set too high? My generator is set to come on and charge my batteries when they get to 12.2 so I have my low battery cut off set at 11.8 so my inverter never cuts off due to low voltage. I have a Bolt custom sleeper with a RV fridge on new batteries I can watch TV, have the fridge running and lights in the sleeper for about 8 hours or so before the generator kicks in.
     
  11. International2020

    International2020 Light Load Member

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    It’s just a 2k pure Jupiter. It’s something with the truck tho. Everything has been replaced now except the alternator so I think it’s the alternator. Truck has almost 800k on it and I think the alternator is one of the very few original parts on the truck still so
     
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