mercer transportation

Discussion in 'Mercer' started by kw12, Jul 21, 2012.

  1. spyder7723

    spyder7723 Road Train Member

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    You are doing something to kill your batteries early. Interstate is a good quality battery. As far as replacement, they are nationwide and carried by almost every parts store.
     
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  3. TruckerPete1990

    TruckerPete1990 Road Train Member

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    couple months ago they died died(Loves jumped me off) my guess is they won't fully charge back up. I'm gonna load test em when i can find a place to sit down so im not sitting in snow and water lol. I Had this issue with loves batteries before in my old truck. Got 3/4 bad ones.. Its that or my APU is just too sensitive because it keeps kicking in at 12.1 to charge up for an hour.
     
  4. thaistick

    thaistick Road Train Member

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    My Interstate batteries lasted 49 months!!!! So impressed I had to buy 4 more!!!
     
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  5. thaistick

    thaistick Road Train Member

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    My LVD is set at 12.2, and it rarely disconnects. My dorm fridge can run 2 days usually in 75-80 degree weather.
    Sounds like you might have a parasitic drain/draw from something.....
     
  6. spyder7723

    spyder7723 Road Train Member

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    Pete a couple thoughts for you. First, yes if you drain a battery to where you need a jump it will never charge back to 100% again. Does this mean they are junk? Not necessarily.

    are running an inverter to power things? Inverters are very poor efficiency, especially so for those cheap modified sine wave inverters sold at truck stops. If you are using anything more than a laptop you should start the apu up so it can provide juice.
     
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  7. JonJon78

    JonJon78 Road Train Member

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    What do you load test them with? If you use something like this they need to be unplugged overnight or 24 hours to get a proper reading...
    I tested mine with this analyzer I bought at harbor freight and it kept saying batteries was good... i had them unplugged only for a few hours... wasnt long enough. Batteries were no good.

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    I
     
    Last edited: Feb 11, 2019
    whoopNride, Expeditor and drvrtech77 Thank this.
  8. stranger

    stranger Road Train Member

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    Interstate batteries used to be good. At one time I bought a lot of them, until they all started going bad after one year. I had good luck with Decca after that, if you can find them. The best batteries I have ever bought are in my pickups. Both are reman, and both are still going. The youngest is 6 years old. They are getting weak now, and I am going right back to the same place and getting more of their remans when they finally go.
     
  9. TruckerPete1990

    TruckerPete1990 Road Train Member

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    I bought a load tester off amazon i carry with me. I Have a pure sinwave inverter. It runs my laptop. only other things running is my GPS and dashcam i mean prob could be my GPS thats drawing power left and right. Also running my bunk heater
     
  10. popcorn169

    popcorn169 Road Train Member

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    Didn't you buy a fridge for your truck? I know they are not supposed to drain the batteries but some will.
     
  11. Rickp

    Rickp Heavy Load Member

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    If i run my fridge and bunk heater it pops the lvd after about 8 hrs
     
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