The updated RX 450h+ impresses with an estimated 37 miles of pure-electric driving range, setting it apart from its competitors. As battery sizes increasingly influence charging preferences, plug-in hybrid owners are opting for more powerful level 2 EV chargers to maximize their all electric driving range and significantly reduce cost. The Lexus RX 450h boasts an 18 kWh lithium-ion battery pack and a 6.6-kilowatt onboard charger, delivering substantial power and meaning a level 2 EV charger will charge the For optimal charging, we recommend a level 2 Lexus RX 450h EV charger, such as the NEMA 14-50 40 amps, which can charge the vehicle in approximately 3 hours from an empty battery.