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Adding 2nd Battery for Accessories

Discussion in 'General Discussion' started by ckingwevl, Jan 22, 2018.

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  1. ckingwevl

    ckingwevl Chris SXS Nation Rookie

    Joined:
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    Location:
    Texas
    Side X Side(s):

    Mahindra mPact XTV 1000 Diesel Crew

    I finally got all the parts in to start my project to add a 2nd accessories battery to my Mahindra/Intimidator. I haven't selected a battery yet. I know how I am doing it is ever kill, but where I hunt it's extremely remote with no one around and I cannot afford to get stranded from a dead battery or half-ass wiring jobs that potentially fails or causes fires. I will post pics along the way to show progress. Here is my parts list so far for those curious:

    1. Optima Universal Battery Box Mount Tray by Randy Ellis Design - solid 1/8 steel holder. Really impressed with this.
    2. Blue Sea Systems Add-A-Battery Kit - 65 amp kit comes with a marine battery controller switch and isolator. Allows me to turn both batteries off, combine the batteries or start from the 2nd battery if I have to. Isolator maintains charge on both batteries when running.
    3. 4 Gauge Red 30 Feet Welding Battery Pure Copper Flexible Cable + Tinned Copper Cable Lug Terminal Connectors - The stock battery cabling is 4 gauge so I saved some money and went with the same. Because of where I am locating the 2nd battery, switch and isolator, I needed enough cabling to go around my machine 1.5 times! It's not marine grade, but I don't mud in this thing and where I am running them about 18" above ground they will never get wet. I soldered the terminal ends and heat shrank the ends so should be golden. Only had about foot left when done.
    4. BUSBARS – 4-Post Power Distribution Block – Pair of 3/8” Black/Red - For simplicity of adding/removing accessories, I added a positive and negative 250 amp rated busbars.
    5. Nylon Heat Shrink Ring Insulated Terminals Electrical Wire Crimp Connector - for all the connections to the busbars.
    6. Heat Shrink Insulated Butt Connectors Butt Splice Terminals, Heat Shrinkable, Water and Vibration Proof, Corrosion Free - Accessories never come with wiring that is long enough to reach the power source so will be doing a lot of extended wiring.
    7. RED 14 AWG, 600V, 36 Ft - extend accessory wiring.
    8. BLACK 14 AWG, 600V, 36 Ft - extend accessory wiring.
    9. Negative Battery cable 15" - to ground 2nd battery.
    10. New Positive Battery Terminal Clamps with 3/8 Post - Provides easy battery cabling connections.
    11. Lots of Self-tapping bolts and screws + bolts, washers and nuts - Never can have enough.
    Spent way more than I wanted to on parts, but this is a new machine that I plan to have for a while so I needed it done right!
     
  2. Seastacker

    Seastacker Carl Moderator

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    Location:
    SE Michigan
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    2013 Polaris Ranger 500 EFI Mid-Size

    Looks like a good solid set up. Document the install for sure. Should make for some good pics and reading.
     
  3. ckingwevl

    ckingwevl Chris SXS Nation Rookie

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    Location:
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    Side X Side(s):

    Mahindra mPact XTV 1000 Diesel Crew

    Sorry guys for including the hot links in my type (bullets in red). I copy and pasted from my Amazon order and thought I removed the formatting. No benefit for me sending you to Amazon!
     
  4. wixthedog

    wixthedog Mike SXS Nation Regular

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    Location:
    Texas
    Side X Side(s):

    Intimidator 750 Crew

    Looks like you are have a great start! I'm interested in which battery you choose but I assume some type of AGM deep cycle.
     
  5. Pede

    Pede SXS Nation Team Leader

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    Location:
    West central Illinois
    Side X Side(s):

    09 700 Ranger

    I'm not sure how big of deal it is with an isolator but I would start with 2 new batteries and not just add one, old saying goes; it's only as good as your weakest one. I know you have already got your connectors but the top of the line are crimp/solder/seal and a bit pricey.
     

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