Power Supply W310176 charges New Battery Type. PN's: W313141, W316849, W312682, W310175, W313140;Charger 308746 charges Old Battery Type. PN's: 310173, 310174;Chargers and Power Supply do not have the cable lead included;G1 Type Batteries 310173,310174,W313140 and W310175 use dockings 304497, 301921 (both for 3x4 Motor), 294430 (Rear Motor), W315812 and W315813 (both for Front Motor);G2 Type Battery W312682 use rear dockings W312685 (Rear Motor), W315814 and W315815 (both for Front Motor);Downtube Batteries W316849 and W313141 both use downtube docking W316850;When ordering a DT battery, also order the brand transfer, PN 431533;