Email or call Dave at Explorer Express and get the "correct" information. He will be happy to answer any questions you may have.
http://www.explorerexpress.com
Tech line (707) 254-7025
888-EXPLORER (888-397-5673)
Q&A
http://www.explorerexpress.com/quest..._questions.php
I only mention this because I own one and see quite a bit of "mis-information" being passed around boardsby folks that don't.You could also head over to the "other" board and ask... there are 20+ XCharger owners there that can answer your questions accurately.