Features 1、Efficient Charging: This solar charge controller uses PWM charging technology, ensuring high and stable performance of your solar power system for enhanced efficiency. 2、Large LCD Display: The solar controller shows charging and discharging current, accumulated power generation and discharge query, temperature display, light control and delay control. Charge and discharge parameters can be adjusted. With power off memory and other functions. 3、USB Port: Equipped with 5V USB ports, this solar battery controller can directly charge your phone, tablet, and other USB devices without the need of any additional power supply or adapters. 4、Versatile Compatibility: Whether your solar system is 12V or 24V, this solar panel charge controller got you covered, making it meet different requirements for various scenarios. 5、Energy Saving Capability: With its low power consumption feature, the solar panel regulator saves energy by using the minimal power in the battery, boosting overall power device efficiency and lifespan. Specifications Item Type: Solar Charge Controller System Voltage: 12V/24V Self Adaptive Maximum PV Voltage: Up to 23V in 12V Battery, Up to 46V in 24V Battery USB Output: 2 x USB Output, 5V/2.5A (Maximum) Standby Current: <10mA The following parameter only corresponds to 12V system only, if using 24V system, please x 2. Boost Charging Voltage: 14.4V Float Charging Voltage: 13.7V (Default, Adjustable) Discharge Stop Voltage: 10.7V (Default, Adjustable) Discharge Recovery Voltage: 12.6V (Default, Adjustable) Charging Recovery Voltage: 13V Weight: Approx. 191.00g / 6.74oz Package List 1 x Controller