This controller is industrial grade and features the STM 5 microprocessor to manage the charge and overcharge to protect your solar power system. It includes a rated working voltage of 12V/24V DC
This controller is industrial grade and features the STM 6 microprocessor to manage the charge and overcharge to protect your solar power system. It includes a rated working voltage of 12V/24V DC.
This controller is industrial grade and features the STM 8 microprocessor to manage the charge and overcharge to protect your solar power system. It includes a rated working voltage of 12V/24V DC, and a max PV array input voltage/watts (battery voltage) of 24V/960W(12V), 48V/1920W(24V) .