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  1. #1
    Left The Driveway
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    Advice needed for installing inverter/charger on 303RLS

    I have a 2020 303RLS and would like to install an inverter/charger. In April I installed a BattleBorn 270Ah GC3 and, temporarily, a Xantrax ProWatt 2000 inverter and a Progressive Dynamics PD9160ALV charger. I used 4/0 cable, fuse block, cutoff switch, busbars, Victron battery monitor, etc. My plan was to install a Magnum MSH3012RV but I didn't have time to deal with wiring it in between the shore-power and panel before leaving for a trip. Now I have some time and need some advice on the easiest way to do this. I have everything in the front hatch so I do not believe I can simply cut the existing 6/3 wire and "splice in" the MSH3012RV because there isn't enough extra cable to reach the front hatch. Rather, I'll probably need to detach either the panel or the shore-power and run to the MSH3012RV in the front hatch and then buy more 6/3 wire and connect the other side. Am I on the right track? If so, I'm thinking it might be easier to detach at the panel instead of at the shore-power jack because of accessibility. Any advice would be greatly appreciated.

    Also, I had my eyes on the MSH3012RV because it can supply power to both L1 and L2 whereas the popular Victron MultiPlus II can only do L1. But the MultiPlus III is becoming available (I think) so I'm wondering if that's a better route than Magnum.

    Jeff
    2020 Reflection 303RLS
    2019 F-250 6.7L Diesel

  2. #2
    Long Hauler bertschb's Avatar
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    Jan 2015
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    Bend, OR and Palm Springs, CA
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    Quote Originally Posted by herman2021 View Post
    But the MultiPlus III is becoming available (I think) so I'm wondering if that's a better route than Magnum.
    Hi Jeff

    I can't help you with your install in the 303 but I can say the new Victron Multiplus II 12/3000 2x120 is a great inverter and does feed both 50amp legs. I don't know if it's "better" than the Magnum but what I like about the Victron equipment is how well integrated all the components are as well as Victron's great software. If you plan to add solar in the future (and use a Victron solar charge controller), I'd choose the Victron Multiplus II over the Magnum for those reasons.

    I admit I'm a Victron fanboy and I'm biased :-)
    Last edited by bertschb; 07-23-2021 at 04:02 PM.
    Brian & Kellie
    2020 Solitude 310GK-R, FBP, 1,460w solar, 540ah BBGC3, MORryde IS w/disc brakes
    2020 F-350 Platinum SRW Powerstroke Tremor, 60g TF fuel tank, Hensley BD3-F air bag hitch

    Previous setups:
    2019 Solitude 373FB-R, 2019 F-350 Platinum DRW Powerstroke, Hensley BD5 air bag hitch
    2016 Reflection 318RST, 2016 GMC 3500 Denali SRW Duramax, Hensley BD3 air bag hitch

  3. #3
    Seasoned Camper Thorvald's Avatar
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    Oct 2017
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    Innisfil, Ontario
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    Victron… there is no better. It all just works and talks.
    2022 Momentum 25G (aka "Baby Mo")
    2020 Ram 3500 Laramie SRW | 6.7 HO Aisin | 6’4” bed | 3.73 gears | air suspension | 3694# Payload
    Blog Post: 1500 Pickup’s and Towing - The REAL numbers with example
    Blog Post: 2016-2018 Imagine 2800BH - 3500 lb Axles Tire Rubbing Issues

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