[Upgraded] 30A Solar Charge Controller,Black Solar Panel Battery Intelligent Regulator with Dual USB Port 12V/24V PWM Auto Paremeter Adjustable LCD Display (30a)

Product Specification Color:red|black Voltage:24 Volts Product Description 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 Systems Automatically With The Build-In Industrial Microcontroller.You Don'T Need To Reset It When The Battery Runs Out Cause It Will Memorize Various Parameters Set By The User.You Can Also Charge Your Mobile Phone,Tablet,Pcs Through Dual Usb Output 5V/2.5A (Max) 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 Batteriesopen,Agm,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 Below 8V Lcd Display Let You Know The Status And Data With Lcd Display.You Can Also Switch Modes And Parameter Configuration Conveniently And Can Use This Controller In A Different Place Like Home,Industrial,Commercial,Etc Something You Need to Know ! Pre-sales 1.It can ONLY work with Lead Acid Batteries: OPEN,AGM,GEL.NOT for Nickel Metal Hydride,Lithium ions,or other batteries. 2.The PWM controller can ONLY accept DC power and is unsuitable for AC power. 3.Max.PV Voltage: 50V (12V battery for 15-23V solar panel,24V battery for 30-46V solar panel). 4.Max.PV Input Power: 390W(12V),780W(24V). 5.Compatible connecting wires: The connecting port has a large section and spacing that can install 6mm wire.(The wire is NOT included). 6.The PWM controller does not have a constant voltage function,and the load end output of the controller cannot remain between 12-13V. 7.Do not support viewing how much amps you're getting off your solar panel. Sales Questions Q1: Why is it can not get a display of 13.2volt? 18volt solar panel voltage,12volt lead acid battery(good battery),followed exactly the instructions listed,but it displays 12.5volt only. A1: Please check the battery voltage.If the battery is fully charged,it will display 14.4 volts. Q2: When l hook up the solar,it does not show charging.When I put a meter on the controller solar input,it shows the polarity is reversed.Could this be a mistake in how the unit was connected internally? A2: Yes.In this case,please check if the battery is correctly connected to the solar controller.