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  1. #1
    Site Sponsor
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    Mar 2018
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    Battery charging

    Hi. I have a 2021 31MB we bought last summer. It came with one battery, and I am planning on adding a couple more deep cycle 12V batteries. I was wondering if I need to do anything different to the charging system that charges the batteries when plugged in to shore power? I expect it to take longer. Thanks.
    2021 GD 31MB; 2016 F350 Ruby Red, Lariat Ultimate Package, CCSB, 4x4, 6.7 Powerstroke, B&W 18K Patriot slider

  2. #2
    Site Sponsor RV Sailor's Avatar
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    Oct 2020
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    Maryland
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    Get an upgraded more powerful three stage charger
    Consider 6 volt golf cart batteries
    Donna and Dave
    Annapolis, Maryland
    2021 Grand Design Imagine 2500RL / Dodge Ram Longhorn 2500 6.4 Hemi
    350 W Newapower Solar: 3000 Victron Inverter/ Charger: Firefly Oasis carbon foam AGM

  3. #3
    Site Sponsor
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    Sep 2018
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    Washington state
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    Nothing more than cables and battery boxes needed.
    Plenty of reasons to upgrade.

    My first year I threw in 2 more cheap 'deep cycle' batteries, and killed all 3 learning how long we could go. I also learned how bad the built in battery monitor is. Now we're rockin as many lithiums for twice the power.
    Rick

    2019 Reflection 150 273MK
    2015 Ford F350 CC SB Lariat Powerstroke
    PullRite Superglide

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