Feature: 1. HIGH EFFICIENCY CONVERSION: Efficient conversion with the latest MPPT technology, achieving over 98% conversion efficiency to fully utilize every inch of sunlight for long lasting battery charging power. 2. FLEXIBLE VOLTAGES OPTIONS: Supports multiple voltage settings, including 12V, 24V, 36V, and 48V, making it adaptable to various needs. Whether you're powering a small RV or a large yacht, this controller can easily handle your requirements. 3. INTELLIGENT PROTECTIVE SYSTEM: Built in multiple protective mechanisms including overload, short circuit, and over temperature guard to effectively extend battery life and ensure equipment safety during travel. 4. USER FRIENDLY INTERFACE: Designed with an intuitive display and easy to read numbers, allowing you to clearly see the battery voltage status, making it easy for users to stay informed. 5. RUGGED CONSTRUCTION: Built to withstand outdoor elements, the metal MPPT controller features a robust and weather resistant design, ensuring dependable performance even in harsh conditions. Specification: Item Type: MPPT Controller Material: ABS, Metal Application: MPPT series solar charge controller is developed with advanced Maximum Power Point Tracking (MPPT) technology, designed specifically for solar panel battery charging systems, with a conversion efficiency of up to 98%. Charging Mode: MPPT pulse width modulation charging Protective Function: Prevent charging, over voltage, DC output low voltage, high voltage guard, reverse connection guard, etc Compatible Battery Type: Gel Batteries Scope of Application: Rv, Van, Boat, Marine, Solar Station System, Energy System, Home Use, etc . Package List: 1 x MPPT Controller 1 x User Manual Note: Charge 12V 24V 36V 48V batteries, automatically adapt to the battery or set the charging according to the battery voltage value. When installing for the first time, please ensure that the battery has sufficient voltage in order to start and automatically set the controller parameters. Must connect the battery and set the memory before use.