Shorai Battery
  • JamesR
    Posts: 14
    Joined: Mon Jan 24, 2011 7:44 am

    Shorai Battery

    by JamesR » Mon Mar 11, 2019 8:40 am

    I'm looking at the Shorai LFX09L2-BS12 battery, but there's two options to choose from. What are people going with? I've got a 09 450x with only the air box mod, high flow air filter, JD kit and a Q4 Muffler. No engine mods.

    Thanks, James
  • Back2-2
    Posts: 733
    Joined: Tue Jan 04, 2011 3:31 pm

    Re: Shorai Battery

    by Back2-2 » Mon Mar 11, 2019 5:20 pm

    That is the exact battery I have in my 450X. It is 5 years old and going strong. Expensive but I never have to put a charger on it even if the bike sits of 6+ months.
    Neil
    Scottsdale, AZ
    Life without Motorcycles would just be boring, really boring
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    JimDirt
    Posts: 3145
    Joined: Sat Nov 25, 2006 6:31 pm

    Re: Shorai Battery

    by JimDirt » Tue Mar 12, 2019 1:05 am

    Same exact one I have in my 06 , been in there since 2011 ..... 8 years and still starts right up after sitting all winter , each winter , I did not even ride the bike in 2017 due to health issues and when I finally did , it cranked right over ..... can't ask for more ...... Though , if/when this one goes , I will get the next size up , the difference is I believe 12 amp hours instead of 9 and if I remember right , 150 CCa instead of 135 ... ;)
    02 CRF450R
    06 CRF450X
    Image
    Weiser , Idaho
  • Aussiecrf230
    Posts: 1496
    Joined: Fri Jan 06, 2006 11:11 pm

    Re: Shorai Battery

    by Aussiecrf230 » Tue Mar 12, 2019 8:22 pm

    Neil & Jim,
    This is interesting you get such good life as lithium batteries like to be charged to a higher voltage and when full to stop charging. That is why you should use a charger meant for lithium batteries.

    I wonder if that is why normal batteries don’t last in a CRF as the charging system puts out a higher voltage.
    What sort of charging voltage do you get at the battery?
    Ray
    Australia

    CRF230F 2004
    C30F Power Up needle
    Mains 132
    Idle 45
    2 turns out
    Baffle out, Screens In

    It starts,it runs,it gets to where all CRFs can get to without the valve or valve plate dramas
  • User avatar
    JimDirt
    Posts: 3145
    Joined: Sat Nov 25, 2006 6:31 pm

    Re: Shorai Battery

    by JimDirt » Wed Mar 13, 2019 5:28 pm

    I believe around 13.5v to 14.5v depending on the state of depletion at the time , it also makes a difference when taking a reading whether you are taking it right after starting , or after its been running for a bit , as the voltage is always peaked higher right after start up due to the amp draw from starting ... ;) 8-[
    02 CRF450R
    06 CRF450X
    Image
    Weiser , Idaho

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