Light Electric Wheelchair The X-lite comes with single or dual standard lithium batteries 5.2AH that are approved by airlines and feature an easy release catch. This enables seamless travel. Battery longevity can be extended by following maintenance guidelines of the manufacturer and using the wheelchairs regularly. This model is easy http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1681464