UPGRADED SOLAR PANEL CONTROLLER: Compatible with 12V 24V system.This solar charge controller helps you manage the working of solar panels and battery in solar automatically with the build-in industrial microcontroller. You 't need to reset it when the battery runs out cause it will memorize parameters set by the user. You can also charge your mobile phone, tablet, PCs through Dual USB output 5V/2.5A (max). FUNCTIONAL LCD SCREEN: Easy to install and operate, Intuitive LCD display that can clearly indicate the status and data is to switch modes and parameter configuration, The level of complete power-off is adjustable, which can perfectly protect the lithium battery from over-discharge, suitable , industrial, commercial etc. SAFE TO USE: Equipped with overcurrent protection, short-circuit protection, inverse connection protection, low voltage, and overcharge protection, and have fully 3-stage PWM charge management. This 30A solar charge controller will help you improve the system efficiency safely and prolong the life span of the battery. PLEASE NOTE: The charge regulator is only suitable for lead-acid batteries: OPEN, , GEL. Do not support any other batteries. The solar controller will turn off automatically to protect the lifespan of your battery if the voltage of the battery drop 8V. Colour:As Shown Material:plastic Package Contents: 1 x 30A Solar Charge Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.