 The SMG 180/120 weighs just and spins at a speed up to 12,500 rpm.The inverter, designated INVCON 2.3 by Bosch, converts direct current energy stored in the traction battery to alternating current for the SMG 180/120 and weighs less than in a package (L×W×H), including connectors.Chrysler developed and integrated the electric powertrain, and reportedly had been working on an electrified 500 even before the company was purchased by Fiat.