Check the listing for details. PFCTART 30A MPPT Solar Charge Controller Solar Panel Regulator Dual USB Gray. Color: Gray, Condition: New. Listed at 12.99 USD. Specifications ：Solar Charge Controller: 30ABattery Voltage/System Voltage:12V/24V AutoMax PV Open Circuit Voltage:30VSelf-consumption:≤10mALoop Voltage Drop:≤0.3VBattery Typel:User, Flooded, AGM, GEL, LifePO4, LithiumUSB Output:5V/2A×2Operating Temperature:-4℉~+122℉Protection Category:IP44Humidity:95%, no-condensingProduct size: 170*92*45MMFeatures ：【Solar Charge Controller】The solar charger controller compatibility with 12V 24V system. It helps you manage the working of solar panels and battery in solar systems automatically with the built-in industrial microcontroller. Dual USB output 5V/2A to support mobile phone charging.【SAFE TO USE】Equipped with overcurrent protection, short-circuit protection, inverse connection protection, low voltage, and overcharge protection.Smart LCD display shows the charging status and battery status to make you more assured of charging,Besides regular input, output, and battery protection, protection of over-current from the solar panels are applied.【LCD Display】Comes with a display that can clearly indicate the status and data, solar charger can be conveniently switched modes and parameter configurations.【Battery Type】Adaptable to User, Flooded, AGM, GEL, LifePO4, Lithium, and other customized battery types. For protecting the lifespan of your battery, once the voltage of the battery is out of range, the solar controller will turn off automatically.【Easy to Use】Charge controllers for solar panels should connect the battery first, then the solar panel, and finally the load.LCD display, adjustable parameter, suitable for home, industrial, commercial etc.Correct link, working instructions:Make sure the battery has sufficient voltage for the controller to recognize the battery before the first installation.1.Connect the battery to the solar controller, the solar charge controller automatically recognizes the voltage.2.Connect the solar panels to the charge regulator.3.Connect the consumer to the solar charge controller.