Features 1The solar controller has multiple protection functions such as short circuit open circuit reverse and overload and has good safety. 2Adopting 3stage PWM charging management can improve system efficiency and extend battery life. 3In order to protect the battery once the battery voltage drops below 8V the solar controller will automatically shut down. 4Equipped with LCD display screen can clearly display status and data easy to switch modes and parameter settings. 512/24V dual USB charging mode has low interference suitable for home industrial and other circuit protection. Specification Item Type: Smart Charge ControllerMaterial: ABSModel: CBK2410Uses: 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: <10mAWorking Temperature: -35-60 Package List 1 x Smart Charge Controller1 x User Manual Note The charge controller is only suitable for open type/AGM/gel type acid batteries not suitable for nickel metal hydride lithium lithium ion or other batteries.