A2B Kuo, Kuo+, Fast4ward Smart Battery

Posted on July 10 2018

A2B Kuo Plus Fast4ward Smart Battery

Do you have an A2B Kuo, Kuo+, Fast4ward or other model that uses this e-bike smart battery? We can service and rebuild it for you if it's not giving you the range it originally did. These batteries pack in 28 cells in a 7S 4P configuration allowing us to upgrade it up to 24V 12Ah, giving you 30% more range than the original!

A2B Kuo Plus Fast4ward Smart Battery

Just fill out our Battery Intake Form and send us your battery and charger. We'll contact you when we receive it and have your wheel running again soon!


  • EBike Marketplace: May 14, 2019

    @John – We usually upgrade these to 24V 12Ah. Our current pricing can be found here: https://ebikemarketplace.com/products/a2b-li-ion-electric-bike-batteries?variant=39450299589

  • john: May 14, 2019

    How much would it cost for a rebuild for a li-ion 24v 9000mAh/216Wh
    it has been left for a long time it show its charged but not powering the bike
    cheers john

  • EBike Marketplace: September 24, 2018

    @Gerardo – Unfortunately, we do not stock new batteries. We only rebuild customer’s existing batteries, so you would have to send your case to us.

  • Gerardo Gutiérrez Mejía: September 24, 2018

    Good day
    I require for my bike edge a2r the battery and the chargers. The specifications of the battery are Li-ion 24V 9000mAh/216Wh. the charger is important.
    I appreciate availability and quotation to my mail.
    I´m located in Bogota Colombia

    For your attention thanks,

    Gerardo Gutierrez Media

  • EBike Marketplace: September 21, 2018

    @Anis – We only do rebuilds, so you have to send your battery in to us and we can rebuild it with brand new cells.

  • Anis : September 21, 2018

    How this battery pls

  • EBike Marketplace: July 31, 2018

    @Dodi – Please see our current pricing here: https://ebikemarketplace.com/products/a2b-li-ion-electric-bike-batteries?variant=12206735949932

  • Dodi: July 30, 2018

    E-Bike Smart battery.
    My battery (looks as shown in your picture) does not charged anymore , how much does it cost to rebuild it again.
    O r do you sell reconditioned similar battery
    Many thanks.

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