Light Electric Wheelchair The X-lite comes with single or dual standard lithium batteries 5.2AH that are airline approved and come with an easy release catch. This allows for seamless travel. The wheelchairs' battery lifespans can be extended through regular usage and following the manufacturer's guidelines for maintenance. This model is http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1678385