Light Electric Wheelchair The X-lite has single or dual standard 5.2AH lithium batteries with an easy-release catch as well as being air-worthy for smooth travel. Battery life can be extended by adhering to the maintenance guidelines of the manufacturer and using the wheelchairs regularly. This model is easy to fold http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1680474