Huawei smart chargers for electric cars Residential Smart Charger (Single Phase) SCharger - 7Ks - S0 / 7.4 KW/32 A PV Power PreferredAll on a Single APP3 Ways AuthenticationDynamic Charging PowerAutomatic Phase Switch3 Step Installation Residential Smart Charger (Three Phase) SCharger - 22 KT - S0 / 22 KW / 32 A PV Power PreferredAll on a Single APP3 Ways AuthenticationDynamic Charging PowerAutomatic Phase Switch3 Step Installation