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Off-Grid Engineering Dual Battery System Q&A

Discussion in 'Technical Chat' started by HeliMedic, Jan 5, 2017.

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  1. Mar 10, 2017 at 5:31 PM
    #161
    WormSquirts

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    WormSquirts Armageddon

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    Worth it tho!
     
    WormSquirts, Mar 10, 2017
    #161
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  2. Mar 10, 2017 at 5:34 PM
    #162
    seoulja99

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    seoulja99 Well-Known Member

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    ^^ x2
     
    seoulja99, Mar 10, 2017
    #162
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  3. Mar 10, 2017 at 8:06 PM
    #163
    WormSquirts

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    WormSquirts Armageddon

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    So I did this install in the pouring rain as soon as I got it because I just couldn't wait! Got totally drenched, but I'm so stoked with the results!

    OffGrid Engineering side by side tray, custom cables for my fuse block setup, and 2x Northstar AGM35 batteries. Winch is hooked up to the Starter battery, and the fuse block (lights, compressor, fridge etc) is on the Aux.

    The install was pretty straight forward, and took me about 2.5 hours in the dark and rain. I know my engine bay is filthy, but @HeliMedic's clean cables make it look so pro!

    20170310_154223.jpg
     
    WormSquirts, Mar 10, 2017
    #163
    Sna, Mr.PowerTrays, seoulja99 and 1 other person like this.
  4. Mar 10, 2017 at 9:24 PM
    #164
    HeliMedic

    #164
    HeliMedic [OP] Off-Grid Engineering

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    Thanks for spreading the good word! :thumbsup:
     
    HeliMedic, Mar 10, 2017
    #164
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  5. Mar 10, 2017 at 9:25 PM
    #165
    HeliMedic

    #165
    HeliMedic [OP] Off-Grid Engineering

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    Daaannng. Nice job man!
     
    HeliMedic, Mar 10, 2017
    #165
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  6. Mar 12, 2017 at 8:47 AM
    #166
    HeliMedic

    #166
    HeliMedic [OP] Off-Grid Engineering

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    HeliMedic, Mar 12, 2017
    #166
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  7. Mar 13, 2017 at 10:48 PM
    #167
    seoulja99

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    seoulja99 Well-Known Member

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    Install complete! I ended up keeping the SP8100 hooked up to the starter battery, but moved the winch and air compressor power cables to the auxiliary battery. So no need for the modified cable from SwitchPro to aux batt. I hope this is ok.

    Thanks again, Matt, for answering all of my questions and designing a clean/quality system!

    IMG_2317.jpg
    IMG_2318.jpg
    IMG_2320.jpg

    Edit: I know, I know...engine bay is filthy.
     
    seoulja99, Mar 13, 2017
    #167
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  8. Mar 13, 2017 at 11:32 PM
    #168
    HeliMedic

    #168
    HeliMedic [OP] Off-Grid Engineering

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    Nice work! Thanks for the pics!
     
    HeliMedic, Mar 13, 2017
    #168
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  9. Mar 15, 2017 at 9:32 AM
    #169
    bertram

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    bertram Member

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    Hey Matt,
    I remember you saying awhile back that you had a prototype in the works for those of us with 1st Gen Tacomas. Has there been any progress or updates on that system? Thanks in advance!
     
    bertram, Mar 15, 2017
    #169
  10. Mar 15, 2017 at 11:03 AM
    #170
    dilbert

    #170
    dilbert AI Member

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    Any increased "taco lean" with the two Northstar Group 35 batteries in the front corner?
     
    dilbert, Mar 15, 2017
    #170
  11. Mar 15, 2017 at 2:04 PM
    #171
    WormSquirts

    #171
    WormSquirts Armageddon

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    At first I thought it was, but I think I just coincidentally was parking on ground that was always leaning that way, because after having it on for a while I can't tell that it's any more than normal.

    I do find that the body roll when turning right is slightly more than before though (no sway bar). Got used to that pretty quick though and I don't notice any more.
     
    WormSquirts, Mar 15, 2017
    #171
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  12. Mar 15, 2017 at 2:59 PM
    #172
    HeliMedic

    #172
    HeliMedic [OP] Off-Grid Engineering

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    I got a chance to play with a 3rd Gen 4Runner the other day and the conclusion was that it was going to be very difficult to develop a "bolt-in" kit that allows the use of two batteries in the stock location. So, I put the brakes on that for a bit. I may revisit the idea later... but whatever we come up with will have to be a complete departure from the rest of my trays/ systems.

    Now, with a little trimming of the inner fender and relocation of the radiator overflow reservoir, two Group 35 batteries fit beautifully using my 2nd/3rd Gen Tacoma kit.

    So, if you're a DIY kind of guy, I recommend going this route. Here's a few pics of the install and where we had to cut the fender.

    IMG_3765.jpg IMG_3759.jpg

    IMG_3760.jpg
     
    HeliMedic, Mar 15, 2017
    #172
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  13. Mar 24, 2017 at 10:07 PM
    #173
    crazysccrmd

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    crazysccrmd Well-Known Member

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    This kit came in handy today. I guess I left my lights on when I went in to work and the main battery was dead when I came out 12hrs later. A quick push of the button on the ACR and I was able to start right up.
     
    crazysccrmd, Mar 24, 2017
    #173
    SliMbo4.0, HeliMedic[OP], Digiratus and 2 others like this.
  14. Mar 24, 2017 at 10:14 PM
    #174
    v8turbo

    #174
    v8turbo Active Member

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    v8turbo, Mar 24, 2017
    #174
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  15. Mar 25, 2017 at 1:47 AM
    #175
    WormSquirts

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    WormSquirts Armageddon

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    That's so awesome man. I'm really stoked to have that capability now
     
    WormSquirts, Mar 25, 2017
    #175
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  16. Apr 1, 2017 at 5:22 PM
    #176
    Arlaghan

    #176
    Arlaghan Well-Known Member

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    Ballpark... How long is the install on a split battery system? (Not the side by side.)
     
    Arlaghan, Apr 1, 2017
    #176
  17. Apr 1, 2017 at 5:34 PM
    #177
    HeliMedic

    #177
    HeliMedic [OP] Off-Grid Engineering

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    I think most folks end up getting it done in about 2-3 hours. Maybe others that have done it will chime in.
     
    HeliMedic, Apr 1, 2017
    #177
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  18. Apr 3, 2017 at 9:27 AM
    #178
    AddicTioN

    #178
    AddicTioN Forklift technician

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    Subscribed for future plans and information
     
    AddicTioN, Apr 3, 2017
    #178
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  19. Apr 4, 2017 at 12:58 PM
    #179
    dilbert

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    dilbert AI Member

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    @HeliMedic - What does the "Starter cable extension kit" look like for the side by side system? Do you sell that by it self?
     
    dilbert, Apr 4, 2017
    #179
  20. Apr 4, 2017 at 4:20 PM
    #180
    WormSquirts

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    WormSquirts Armageddon

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    I assume that those are the cables, crimps, heat shrink, and ends that come with the kit to extend your stock cables from the alternator, and to the truck system, as they are too short once you've moved the batteries around.
     
    WormSquirts, Apr 4, 2017
    #180
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