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Thread: Auxiliary in vehicle - deep cycle or hybrid?

  1. #1
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    Auxiliary in vehicle - deep cycle or hybrid?

    I'm looking at replacing the auxiliary battery in the vehicle. Currently I have 2 dying Century 68 crankers in there (one for starting, the other as auxiliary). I want to change the auxiliary and can't decide whether to go with a deep cycle or hybrid.

    Very little auxiliary power gets used in the vehicle, apart from charging devices and running a water pump when the vehicle is off. However, I also carry a Trayon camper with an AGM deep cycle in it, which can be connected to the vehicle auxiliary via anderson plug for charging or when extra power is required.

    I also have a Traxide SC-80 and have switches set up on both batteries to allow them to be isolated during normal use or joined when winching.

    Any recommendations?

  2. #2
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    I've got similar setups to yours and have decided for the time being to use similar main and auxiliary batteries simply from the point of view that they will be interchangeable in the event of unexpected battery failure in remote spots.

    Different battery types will have different uses and I'm sure that other people will have alternative views on the subject

  3. #3
    Judo's Avatar
    Judo is offline ChatterBox Silver Subscriber
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    Do you have a winch? It will draw from both if the vehicle is running and they are joined right? That's my understanding, so I think a hybrid type is best for that.
    - Justin

    '95 Disco 300TDI - sold
    '86 County 110 Isuzu
    2006 Range Rover Vogue td6

  4. #4
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    Hybrid if the budget stretches to a good one.

    not quite the best of both worlds but better than either of a cheap deep or cranking battery.

    a good cranking battery if the budget doesnt go that far but favor a higher RC/Ah over max CCA..
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

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  5. #5
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    Quote Originally Posted by Blknight.aus View Post
    Hybrid if the budget stretches to a good one.
    What's a good brand/model?

  6. #6
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    Quote Originally Posted by Ranga View Post
    What's a good brand/model?
    Supercharge allrounder, 105ah plus decent cranking amps.
    MY08 TDV6 SE D3- permagrin ooh yeah
    2004 Jayco Freedom tin tent
    1998 Triumph Daytona T595
    1974 VW Kombi bus
    1958 Holden FC special sedan

  7. #7
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    I'll second the Supercharge All-Rounder. I run two (one start and one aux). The benefit is that I rotate them around every 6 months so they both get a chance to do cranking duties, or rest. I run a switchable SC80 as well.

    Three years out of them so far!

    Cheers
    Keithy

  8. #8
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    Ended up getting a Century Marine Pro 730 for ~$180.

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