Samlex Solar Charge Controller - 12/24 PWM - 30 AMP [EVO-30AB]Solar Charge Controller 12 24 PWM 30 AMP Use the Samlex EVO 30AB Charge Controller as a stand alone 30 amp solar charge controller or expand the functionality of the EVO RC PLUS as the central display for both your EVO inverter charger and your solar system. Features: When connected to the EVO inverter charger, the EVO 30AB will follow the programming set in the unit. Add the EVO RC PLUS and it will display the status for both the EVO inverter charger