Can I buy spare batteries? What happens if my battery won't hold a charge? April 24, 2020 01:07 Updated Follow We will replace faulty batteries for free. Please write into customer support (firstname.lastname@example.org) to describe your problem. Related articles What are the specifications of the bike? How long does it take for the battery to charge? What color bikes are available for purchase? Can I use the bike without the WHEELS app? Can I wash my WHEELS? Comments 0 comments Please sign in to leave a comment.