Upgraded Solar Panel Controller: Compatible with 12V 24V system. This solar charge controller helps you manage the operation of solar panels and battery in solar systems automatically with the built-in industrial microcontroller. You don't need to reset it when the battery runs out because it will remember different user-defined settings. You can also charge your cellphone, tablet, PC via the dual USB output 5V/2.5A (max). Safe to use: equipped with overcurrent, short circuit protection , reverse connections, low voltage and overload, and has full 3-stage PWM charge management. This 30A solar charge controller will help you safely improve system efficiency and extend battery life. Please note: the charge controller is only suitable for batteries lead-acid: OPEN, AGM, FREEZE. Does not support other batteries. The solar controller will automatically turn off to protect your battery life if the battery voltage drops below 8V. LCD Display: Lets you know the status and data with the LCD screen. You can also change mode and parameter configuration easily and use this controller in different place like home, industry, commercial etc. Size: approx. 14.8 x 7.8 cm . Color: Black Quantity: 1 piece