Features 1The solar charge controller is often used in solar power generation systems with short circuit open circuit reverse and overload protection. 23stage PWM charging management is beneficial to improve system efficiency and extend battery life. 3With dual USB output rated voltage of 12 and 24V maximum current up to 2.5A has strong practicability. 4Equipped with a display screen which can clearly display status and data and manually switch modes and parameter settings. 5Easy to install and operate first connect the battery then connect the solar panel and finally connect the load. Specification Item Type: Solar Panel ControllerMaterial: ABSModel: WBL1210Uses: Suitable for home industry commerce etc.Rated Voltage: 12/24VMaximum Photovoltaic Voltage: 50V10A Maximum Photovoltaic Output Power: 130W (12V) 260W (24V)20A Maximum Photovoltaic Output Power: 260W (12V) 520W (24V)30A Maximum Photovoltaic Output Power: 390W (12V) 780W (24V)USB Output: 2 USB outputs 5V/2.5A (maximum)Standby Current: <10mAWorking Temperature: -35-60 Package List 1 x Solar Panel Controller1 x User Manual