This is a replacement Fusion 12AH battery. The part number for this Bintelli bicycle part is BB-428 or BB-233.
This is a genuine Bintelli Bicycle part. If you have any questions regarding whether this part will fit on your electric bicycle, please either contact your local dealer, or you may email Support@Bintelli.com or call us at (866) 542-8677. We look forward to assisting you.