1.LCD display: LCD display setting is adopted, and the display timing setting corresponds to the LCD display, which can clearly observe the operation status of the equipment and facilitate the modification and setting of the operation parameters. 2.Large-section wiring port: The wiring port with large cross-section and large spacing is adopted to increase the insulation performance and installation reliability, effectively reduce the circuit voltage drop and reduce consumption. 3.Multiple USB charging ports: Support most USB port devices on the market, mobile phones, tablet computers, PSP game consoles, etc. 4.Wide range of applications: Suitable for solar street lights, solar roofs, solar billboards, solar power generation systems, solar RVs, and solar awnings. Name: Solar controller System voltage: 12V/24 self-identification No-load consumption: ≤0.4W Maximum solar input voltage: VOC 100V (Different rate different voltage) Battery voltage: 9-32V Maximum power voltage range: battery voltage +2V-100V (Different rate different voltage) Rated charging current: 20A/30A Rated load current: 20A/30A USB output: 5V/3A Conversion efficiency: ≤98% MPPT tracking efficiency: Greater than 99% Temperature compensation coefficient: -2mv/℃/2V Working temperature: -10℃-+65℃ Protection level: IP21 Color: Black & Green Material: plastic Package Contents: 1 x Solar Charging Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.