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Display Mesage #116661


Shorai LiFePO4 battery failure
Written by Gwynethh on 9/20/2012 at 12:00 am

We installed a new Shorai Lithium Iron battery about 3 weeks ago. Got great starts with consistent ~14 volts on our monitoring LED Volt meter before starter switch pushing. One day we tried to start our PC800 and we had about 10 Volts showing up on the meter. (No slow decrease, just 14V to 10V between one ride and the next). Under load it dropped to about 8 volts. The battery failed to charge with the Shorai charger and threw an error code on the charger's status LEDs. Installing our old limping Westco we confirmed good charging voltage at the battery 13.8V @ 2K RPM and minimal parasitic drain of the bike (~1 micro-amp).

We have started the warranty replacement process with Shorai and am now waiting for their response.

We will keep you all informed on our progress as we get this battery replaced.

Message Thread for message #116661

Gwynethh
9/20/2012, 12:00 am
Shorai LiFePO4 battery failure
We installed a new Shorai Lithium Iron battery about 3 weeks ago. Got great starts with consistent ~14 volts on our monitoring LED Volt meter before starter switch pushing. One day we tried to start our PC800 and we had about 10 Volts showing up on t

    unlikelyloginname
    9/20/2012, 12:00 am
    Re: Shorai LiFePO4 battery failure
    The information in post #113 at:http://advrider.com/forums/showthread.php?t=770364&page=8is not encouraging.Sigh,S

    Gwynethh
    9/26/2012, 12:00 am
    Re: Shorai LiFePO4 battery failure
    Shorai provided a prepaid FedEx shipping label for the battery and charger. Both are now on their way back to California for their evaluation. We will update this after we hear again from Shorai.

    Gwynethh
    10/31/2012, 12:00 am
    Re: Shorai LiFePO4 battery failure
    Got the warranty replacement battery back from Shorai. Too late in the season here in the cold white north to install it. It will sit on the shelf until spring roll out. Shorai reported a couple of problems with the old one. Most of them caused by th

    patriot
    10/31/2012, 12:00 am
    Re: Shorai LiFePO4 battery failure
    if the battery will sit till spring you better put a trickle charger (battery tender)on it..

    Gwynethh
    10/31/2012, 12:00 am
    Re: Shorai LiFePO4 battery failure
    I have the Shorai charger which I will use some but the LiFePO4 batteries are supposed to last up to a year with out charging.