1、[MPPT Solar Charge Controller] This MPPT solar charge controller detects the power generation of solar panels in real time and tracks the highest voltage and current values, ensuring maximum power output for battery charging. With dual USB ports for device charging. 2、[LCD Backlit Display] The LCD display provides backlighting to showcase operating status, performance parameters, and control settings. Users can easily access and modify control parameters to meet the specific requirements of different systems. 3、[Multiple Functions] Equipped with multiple protection features, this controller ensures the safety and longevity of your solar power system. The dual fan cooling system enhances heat dissipation and improves overall performance. 4、[Versatile Battery Compatibility] Supports various battery types such as gel batteries, sealed batteries, open batteries, and lithium batteries, offering flexibility for different needs. 5、[Wide Applications] Suitable for home photovoltaic systems, communication base station systems, intelligent highway surveillance systems, landscape lighting projects, and more. Item Type: MPPT Solar Charge Controller Material: ABS No Load Loss: ≤0.4W USB Output: 5V 3A Conversion Efficiency: ≤98% MPPT Tracking Efficiency: >99% Temperature Compensation Coefficient: -2mv ℃ 2V (Default Value) Working Temperature: -10℃ to +65℃ Protection Grade: IP21 Electromagnetic Compatibility: In Accordance With EN61000, EN55022, EN55024 Communication Method: Rs485 (Self Purchase Required) Altitude: ≤3000 Meters 1 x MPPT Solar Charge Controller 4 x Installation Screws 4 x Anchors 1 x User Manual