A2B (formerly Ultra Motor) Main (frame) Battery
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(800) 692-3943
Holiday shipping notice: If you are not in the North Eastern United States, please call us to ensure timely delivery before Christmas. We will continue to ship orders until December 22nd. NYCeWheels will be on holiday break starting December 23rd through January 9th. Orders placed during this time will be processed as soon as we return to normal hours. Thank you very much for your business and Happy Holidays!
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Main Replacement Battery

Main Replacement Battery

Main Replacement Battery

Availability: Usually ships the next business day
Main Replacement Battery
Ultra Motor Logo This is a original Ultra Motor replacement part and comes with full warranty, however you will not be covered under A2B limited warranty or will get support installing the replacement part if it is not performed by a professional bicycle mechanic or specifically authorized by NYCeWheels to do so.

Please be careful to select the correct replacement part since we cannot take returns on parts.
Click here to read our return policy

Please note:
We do not take parts orders over the phone. To avoid sending you the wrong part, please order online by clicking "Add to cart" above.

If you did not purchase your Ultra Motor electric bicycle from us, we will not provide help with installation or support you with any issues. Do not purchase a part for a non functioning electric bike unless you contact us for troubleshooting first (if you are our customer).

A2B A2B Electric Motorbike | travel in style from A to B

All A2B parts are compatible with the following models:

A2B Electric Bike, ride an electric bike from A to B