Feature: 1. ADAPTIVE VOLTAGE: Upgraded solar charging controller can automatically detect the 12V, 24V, 36V, 48V system. The maximum PV input voltage is 100V and the maximum input power is 960W‑2880W 2. RECHARGEABLE OBJECT: Solar charging controller is compatible with lithium ion and acid batteries, support user custom battery, built in dual USB output 5V/2.5A(maximum), for your phone, tablet, PC charging 3. 3 STAGE PWM TECHNOLOGY: Charging controller is equipped with advanced intelligent PWM technology, possess high charging efficiency, through the three stage charging mode (bulk, boost, float charge), fast, efficient and safe battery charging, effectively extend the battery life; Combined with solar light control and time control, the load enabling duration can be adjusted freely 4. 14 MODEL BATTERY COMPATIBILITY: The lithium battery charge controller is compatible with a variety of 12v 24V 36V or 48V batteries such as SEL, USE, FLD, GEL, for LiFePO4 and ternary lithium batteries; LCD screen has a variety of lithium battery clear special ICONS, easy to choose battery type; Users can customize batteries and calibrate battery voltages 5. EASY TO READ DISPLAY: Solar charge controller built in backlit LCD screen, real time monitoring of charging current, energy generation, temperature, battery voltage, error code, quick and easy to set and debug parameters; No matter how the user switches the display, 100 seconds without pressing the button will automatically return to the default display 6. MULTIPLE PROTECTION: The battery intelligent regulator is equipped with prevent overheating, automatic stop charging, prevent output short circuit, prevent over discharge, prevent reverse polarity connection and limit the maximum charging current protection, to ensure the use of safety; Natural convection, cold wind cooling, completely silent Specification: Item Type: PWM Solar Charge Controller Operating Voltage: 12, 24, 36, 48V Rated Charging Current: 60A Rated Output Current: 35A Maximum Input Power: 12V≤720W, 24V≤1440W, 36V≤2160W, 48V≤2880W Maximum Open Circuit Voltage of Photovoltaic Panel: 100V Battery Type Available: Acid or lithium 14 types to choose from Lithium Battery Activation: Built in lithium battery activation function DC Port: 2 x USB 5V-2A Protection Level: IP30 Display: LCD color screen prevent glare with backlit screen PROTECTION FUNCTION: Reverse connection protection, maximum charging current limit, over discharge protection, short circuit protection, over temperature protection. Package List: 1 x PWM Solar Charge Controller1 x User Manual