Torqeedo Solar Charging Cable For Travel/Ultalight Batteries. Allows Travel and Ultralight batteries to be charged from a third-party solar panel up to 200 Wp and a maximum open circuit voltage Voc of 49V with a standard MC4 connection. Compatible with batteries 1166-00, 1167-00 and 1423-00. Software update of the motor may be required to enable full functionality