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2.5 out of 5 2.5 (4 reviews)

BikeMaster TruGel Battery (MG12ZS)

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BikeMaster's new TruGel battery uses a unique gel electrolyte that provides higher cranking amps and lasts twice as long as conventional Battery.
      -Has a much longer storage life on the shelf or in the bike
      -Resists vibration and impacts which damage regular wet batteries
      -Works better at lower and higher temperatures than a wet battery
      -Will not leak like a wet battery, even if the case cracks
      -Can be installed at any angle
      -Has a life span that can be up to twice that of a wet battery
      -Will not sulfate like a wet battery
      -Maintains contact with all of the plates, all the time, giving more cranking power and longer life

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by PowerReviews
BikeMaster TruGel Battery (MG12ZS)

(based on 4 reviews)


of respondents would recommend this to a friend.

Reviewed by 4 customers

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Displaying reviews 1-4

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Doesn't Fit.....but Starts Great!

By Scooter T.

from Denton, Tx

See all my reviews


  • Fires Up When 18° Outside


  • Does Not Fit Battery Box

Best Uses

  • Cold Weather Battery

Comments about BikeMaster TruGel Battery (MG12ZS):

Installed 5 days ago, kinda of curious what will happen by this time next year(Dec 2013). After multiple mornings around 20° and using no battery tender or heating pads, it started my 2004 Shadow 750 right up, this has never happened in weather below 40° with the OEM battery. The battery was the right size, but the wrong shape, it did not fit in the battery box. My solution was to change the shape of the battery itself by sanding it down to the shape of an upsidedown trapezoid soit would fit.

(2 of 2 customers found this review helpful)


Waste of money

By GixxrBoy

from Hawaii

Comments about BikeMaster TruGel Battery (MG12ZS):

I purchased two within a year. They both stopped holding a charge after a couple months.

(0 of 2 customers found this review helpful)


I would buy this product again and again

By Chami

from Union City, NJ

Comments about BikeMaster TruGel Battery (MG12ZS):

I brought a product and i thought this product would delivered late but actually this product came before due date. Also, when I wanted to find my password immediately the help was given. All my problems were solved and help with. This product was helpful and served me good. I'm happy with the company.

(2 of 3 customers found this review helpful)


Not Pleased

By MeatPopsicle

from Broken Arrow, OK



    • Not an exact fit
    • Will not stay charged

    Best Uses

    • Recyclable Material

    Comments about BikeMaster TruGel Battery (MG12ZS):

    Purchased in April of this year for my 05 GSXR1000 and it will not keep a charge. I have put it on the charger several times, but the next time I try to start the bike it will be almost completely dead. Also, while the battery does "fit" in my bike, it does so with compromises. I had to remove the rubber battery pad on the bottom of the battery compartment and had to use my stock seat in lieu of my Corbin. I chose this battery based on the selling points in the description. Higher price does not always translate to better product - I should have stayed with the tried and true Yuasa brand...

    Displaying reviews 1-4

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    Play Video BikeMaster TruGel Battery
    BikeMaster TruGel Battery at BikeBandit.com MNF Nov 2012
    Play Video BikeMaster TruGel Drill Video
    BikeMaster TruGel Drill Video at BikeBandit.com MNF Nov 2012
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    Specifications and Options

    Brand BikeMaster
    Battery Number MG12Z-S
    Battery Type YTZ12S
    Cold Cranking Amps 140