1、Storage Function, LCD Display: Charge controller built in industrial microchip, with excellent storage function; large screen liquid crystal display, adjustable charging and discharging parameters. 2、High Efficiency: PWM battery charging, built in maximum power tracking algorithm, can significantly improve the energy utilization efficiency of the photovoltaic system, about 15‑20 percent higher than the traditional charging efficiency 3、Multiple Protection: Solar controller internal overcurrent protection, short circuit protection, open circuit protection and reverse connection protection are all self recovery and lossless controllers, with double MOS reverse current protection and low heat generation. 4、Heat Dissipation: MPPT solar charge controller has excellent heat dissipation performance, ensuring that the controller maintains full current output for a long time. 5、Applicable: MPPT solar charge controller is made of premium aluminum, which is durable, corrosion resistant and has a long service life. Widely suitable for battery types such as colloid, and lithium battery, etc. 1 x MPPT Solar Charge Controller Item Type: MPPT Solar Charge ControllerMaterial: AluminumSize: Approx. 13.5x7x 2.5cm / 5.3x 2.8x 1.0inSystem Voltage: 12V 24V AdaptiveTechnical Index: USB PD, QC 3.0