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 -in industrial microcontroller. You 't need to reset it when the battery runs out cause it will memorize parameters set by the . You can also charge your mobile phone, , PCs through Dual USB output 5V/2.5A (max). FUNCTIONAL LCD SCREEN: Easy to install and operate, Intuitive LCD display 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 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 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, , . Do not support any other batteries. The solar controller will turn off automatically to 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 are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.