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View Poll Results: Single or Dual battery ?

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  • Single

    3 100.00%
  • Dual

    0 0%
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  1. #11
    Proficient Driver CrazyCooter's Avatar
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    May 2015
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    Redding, CA
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    277
    Quote Originally Posted by Mike621 View Post
    I bought one of the pocket jump start battery pack too, kind of cool cause it will charge my phone or GPS if needed, 540cca man that should have no problem spinning it up, did you have to do anything to the charging system, or is it plug and play, I know some machines won't charge lithium battery's with stock system.


    Sent from my iPhone using Tapatalk
    Plug and play Mike. Shorai's are lithium iron phosphate chemistry that charges very similar to VLA and AGM batteries. Lithium ion is too unstable for mobile use unless heavily guarded from damage. Pretty explosive if water is introduced internally too.

    The actual Ah capacity is less than my original 18Ah VLA, but you only want to draw one of those down to 50% or 9Ah capacity. The available cranking amps and voltage sag drastically a VLA or AGM battery is discharged below 80%. A lithium iron battery is pretty consistent from 10-100% state of charge, so even if it is super low, it will still spin the engine over.

    I'm really looking forward to putting them in the trailer and loosing 500lb of lead from my battery bank. The lights will be brighter too as the operating voltage is higher to start and stays higher down to 10%.

  2. #12
    Skillful Driver Mike621's Avatar
    Join Date
    May 2015
    Location
    Lincoln Ca,
    Posts
    1,675
    For the trailer are they full size batteries, I have 4 , 6 volts in the toy hauler


    Sent from my iPhone using Tapatalk

  3. #13
    Proficient Driver CrazyCooter's Avatar
    Join Date
    May 2015
    Location
    Redding, CA
    Posts
    277
    You can get cells of various Ah capacity, band, and wire them together yourself OR get something manufactured in a given group size. IF your budget allows....you can get an 147lb. 8D battery case with 480Ah@12v where my 168lb. AGM's are only good for 250Ah ea. A single 147 battery could replace 4 of my 168lb lead batteries for a 525lb savings plus the 4/0 wiring!

    The technology is still a bit expensive for RV, but I bet a couple of years we will see it more affordable. Hoping my batteries hold out that long.....

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