Support Multiple Battery Types: The controller can automatically sense 12V or 24V system voltage when paired with a Gel, AGM, LiFePO₄ ,NCM/NCA lithium battery or Flooded batteries. Multiple Protections: The solar controller has multiple intelligent protections against reverse polarity, over charge, short-circuit, reverse current, overload, and over discharge, keeping your battery fully protected. 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. USB dual-port output, with max. current up to 2A, supporting high-current charging of such device as Iphone, Ipad and Android phone. WARRANTY: The solar controller you buy are of excellent quality, and come with a 12-month free warranty and lifetime technical support. You can contact us for any quality issues within 12 months. 1) Use 32-bit high-speed main control chip, large-screen LCD display, and charging/discharging parameter adjustable. 2) Support sealed lead-acid battery (factory default), GEL lead-acid battery, flooded lead-acid battery, NCM/NCA lithium battery, LFP battery, totaling five types. 3) USB dual-port output, with max. current up to 2A, supporting high-current charging of such device as Iphone, Ipad and Android phone. 4) Automatic identification of 12V/24V system voltage of lead-acid battery. 5) Complete multi-stage PWM charging management, which can be set to onoff charging, better supporting voltage sensitive loads. 6) Ample load operating mode, easy for use in various DC loads. 7) Built-in reverse polarity protection, open circuit protection, high temperature protection, overcurrent/short circuit protection (user settable), all of which are self-recovering type, with no damage to the Controller. 8) Double MOS anti-back-feed circuit, ultra-low calorific value. 9) Lithium battery activation function available. 10) Humanized browser designed, dynamic interface, with all operatio