Stud type diode. For many Lester chargers. For all E-Z-GO pre PowerWise chargers. Cross Reference Part #''s CHG EZ 18488G1 B1;CHG UNV 3416 ;L2010 CC;66056-65 CO;CP18488-G1 CP;816540 CU;CGR-3416 EC;18488G1 EZ;18488-G1 EZ;5-045 FP;66056-65 IMC;LVN3416 LV;A-20616 OT;79-745-11 TD