Global Electric Vehicle On-Board Charger Market Assessment, By Rating [<11 kW, > 11 kW to 22 kW, > 22 kW], By Propulsion [Battery Electric Vehicle (BEV), Plug-in Hybrid Electric Vehicle (PHEV), Others], By Vehicle [Passenger Car, Commercial Vehicle], By Charger [AC On-Board Charger, DC On-Board Charger], By Charging Level [Level 1 (120V AC), Level 2 (240 AC), DC Fast Charger (Level 3 Charger)], By Region, Opportunities and Forecast, 2017-2031F