Please kindly noted that this item is sold by Mortess from Joybuy marketplace.Description The product can automatically manage the working of solar panel and battery in solar system. It is easy to set up and operate. Short-circuit protection,open-circuit protection, reverse protection, overload protection. Equipped with industrial-grade microprocessor to control the charger and discharge process and it has a reliable battery to charge and discharge period management. Feature - Color: Black. - Material: Plastic. - Size: 13.2 x 7 x 3cm. - Solar Panel Controller: Rated Discharge Current & Discharge Current: Battery Voltage: 12V/24V auto. - Solar Battery Controller: The solar regulator is only suitable for lead-acid batteries: OPEN, AGM, GEL, not for nickel hydride, lithium, ions, or other batteries. For protecting the lifespan of your battery, once the voltage of the battery too low, the solar controller will turn off automatically - Multiple Electric Protection: Short-circuit protection,open-circuit protection, reverse protection, overload protection. Equipped with industrial-grade microprocessor to control the charger and discharge process and it has a reliable battery to charge and discharge period management - Good Heat Dissipation: Solar controller dual mosfet reverse current protection, low heat production(ALL electronic components generate heat when they are running, it is better to shelter them for better heat dissipation, avoid direct sunlight exposure or damp place) - Easy to Install and Operate:It can be conveniently switched modes and parameter configuration, suitable for home, industrial, commercial etc.