Light Electric Wheelchair The X-lite comes with single or dual standard lithium batteries 5.2AH that are approved by airlines and have an easy release catch. This allows for seamless travel. The battery's lifespan can be extended with routine use and adhering to manufacturer guidelines for maintenance. This model is easy http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1679297