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  • Fridge freezer power running options

    I'm new to solar and and was wondering which will consume less power for a [LEFT][COLOR=#000000][FONT=Helvetica][SIZE=13px]Dometic-CFX65DZ-Electric-Powered-Freezer a 12v socket to my battery bank or using a [/SIZE][/FONT][/COLOR][/LEFT][LEFT][COLOR=#111111][FONT="Amazon Ember"][SIZE=19px]Xantrex PROwatt SW1000 - True Sine Wave Inverter [/SIZE][/FONT][/COLOR][/LEFT] hooked to my battery bank. I have 2x 100w renogy panels and an Epever 40amp charge controller (tracer AN series). Also what size gauge wire should I use on a 12v socket? 12awg? Thanks for any replies

  • #2
    If the Dometic-CFX65DZ has a DC motor in it (or an inverter compressor), it will likely consume less than powering it via the pro watt. The inverter will only be about 80% efficient.

    If the Dometic-CFX65DZ has a 12v heater coil in it (like many RV propane fridges) the inverter would be the best way to power the fridge
    Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
    || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
    || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

    solar: http://tinyurl.com/LMR-Solar
    gen: http://tinyurl.com/LMR-Lister

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    • #3
      Dometic: [B]Energy Consumption 12VDC (Ambient@90F, Internal@41F)[/B] 1.90 Ah/h

      Running it on 12 or 24 volts will definitely be more efficient than running it on, inverter provided, 120 volts.

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      • #4
        Thanks for the quick response and for helping a newbie solar enthusiast

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