Features 1、EFFICIENT AND STABLE OUTPUT: Our solar panel controller is widely applicable to various solar energy applications. 2、WIDE APPLICATION: 12V and 24V gel, sealed, rich liquid, AGM battery can be used. The controller can fully meet your requirements for home photovoltaic systems (including home lighting systems). 3、EASY TO USE: Built in industrial microcontroller, large LCD display, all parameters adjustable. You can make adjustments according to your own needs. 4、MULTI PROTECTION: This controller is equipped with 4 level PWM charging management. Built in short circuit protection, open circuit protection, reverse protection, and overload protection. Dual MOSFET reverse current protection, low heating. Please rest assured to use. 5、IDEAL REPLACEMENT: Wonderful replacement for the old and damaged parts, fine workmanship, attention to details, helps you improve the working efficiency! Specification Item Type: Solar Panel Controller Material: PVC Product Size: Approx. 14 x 8 x 4cm / 5.5 x 3.1 x 1.6in Application: For charging solar photovoltaic cells Current: 30A Package List 1 x Controller