i dont know, i bought the platform from ebay.
http://www.ebay.de/itm/Segway-Gen-1-...item35c2283c96
http://www.ebay.de/itm/Segway-CSB-Ki...item35c1f7d3d9
http://www.ebay.de/itm/230887540599?...84.m1497.l2649
all parts are from one single maschine.
seller says is all functional, i asked him befor to get in auction.
anyhow i have two pairs + one extra, i mean 5 batteryes, all tested.