1、The solar charge controller is often used in solar power generation systems, with short circuit, open circuit, reverse, and overload protection. 2、3‑stage PWM charging management is beneficial to improve system efficiency and extend battery life. 3、With dual USB output, rated voltage of 12 and 24V, maximum current up to 2.5A, has strong practicability. 4、Equipped with a display screen, which can clearly display status and data, and manually switch modes and parameter settings. 5、Easy to install and operate, first connect the battery, then connect the solar panel, and finally connect the load. Item Type: Solar Panel Controller Material: ABS Model: WBL1210 Uses: Suitable for home, industry, commerce, etc. Rated Voltage: 12/24V Maximum Photovoltaic Voltage: 50V 10A 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: <10mA Working Temperature: -35-60℃ 1 x Solar Panel Controller 1 x User Manual