1、The solar controller has multiple protection functions such as short circuit, open circuit, reverse and overload, and has good safety. 2、Adopting 3‑stage PWM charging management can improve system efficiency and extend battery life. 3、In order to protect the battery, once the battery voltage drops below 8V, the solar controller will automatically shut down. 4、Equipped with LCD display screen can clearly display status and data, easy to switch modes and parameter settings. 5、12/24V dual USB charging mode, has low interference, suitable for home, industrial and other circuit protection. Item Type: Smart Charge Controller Material: ABS Model: CBK2410 Uses: Suitable for home, industry, commerce, etc. 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/1A (maximum) Standby Current: <10mA Working Temperature: -35-60℃ 1 x Smart Charge Controller 1 x User Manual