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Thread: Battery N70Z

  1. 15th May 2011, 11:13 AM #1
    moggly73's Avatar
    moggly73
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    Battery N70Z

    can i use a century N70Z battery as a replacement for my cranking battery? Manual says a 31 series, and currently has a Supercharge MF31-931. What other cranking battery replacements are possible to use? I thought about an Optima yellow or red top.

    Cheers
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  2. 15th May 2011, 11:34 AM #2
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    moggly73
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    Just reading back some older battery posts, I noticed people using a Bluetop for cranking. I have on of the larger bluetops for an aux battery, but might be good for a cranker as well.
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  3. 15th May 2011, 03:04 PM #3
    PhilipA
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    Measure the hole , then measure the battery. If it fits it is OK, but I do not think it will.
    Make sure if you do not have the car there that you get the correct terminals at each end.
    Regards Philip A
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  4. 15th May 2011, 04:58 PM #4
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    clubagreenie
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    On that basis my house alarm battery will fit...

    A blue top is fine as a cranking battery but if you are looking to go to dual batteries you are better off pairing yellowtops. You can squeeze a pair of optimas into the std space.
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  5. 15th May 2011, 05:14 PM #5
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    moggly73
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    My Supercharge MF31-931 had cacked it's pants, after 5 hours of charging it was still under 11 volts. I had a spare Century N70z in the shed, which was actually a little smaller than the Supercharge. I installed it this afternoon, which will hopefully get me by until i can get a replacement. Seemed to start ok, and had a good charge on the multimeter.
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  6. 15th May 2011, 05:25 PM #6
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    clubagreenie
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    N70Z will be fine, it's a pretty big batery and as long as you're not fridging, winching, spotlighting, massive stereoing at the same time you'll be fine.
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  7. 15th May 2011, 06:02 PM #7
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    tailslide
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    The N70Z is a smaller capacity battery compared to your current one, maybe not your current one.

    670CCA versus 950CCA. Yes, it should still be good enough to start the engine. I have been looking at getting a Supercharge MF31-931 for mine.

    Cheers
    Ron
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