24v UL LiFePo4 battery charger (Version 1) compatible with the X-Treme X-Cursion and X-Treme XB-310Li folding electric mountain bikes.
The battery pack this charger is compatible with is mounted underneath the seat of the bicycle. If the battery pack on your model is mounted inside the frame of the bike you either have a newer model X-Cursion or a X-Cursion Elite. These bikes require the Version 2 battery charger.
This charger is not compatible with XB-310 models purchased before 2011. These electric bikes have LiMn batteries. Both the LiMn battery and charger have been discontinued. You can, however, upgrade these older models bikes to the Version 1 lithium battery system. Simply buy this charger along with the X-Cursion V1 battery pack.