1、HIGH EFFICIENCY EFFECTIVE MPPT TECHNOLOGY: Adopting high efficiency MPPT technology, it can realize more efficient solar energy conversion and maximize the use of solar energy resources. 2、WIDE APPLICABILITY: The input voltage range is 18V to 50V, suitable for 320W to 510W controllers, which can be widely used in all kinds of transportation such as electric cars and boats. 3、STABLE WORKING: This boost MPPT solar charge controller maintains stable running in the working temperature range of 0°C-55°C, adapting to the needs of different environments. 4、ENERGY SAVING: The efficiency of the whole machine reaches 85%-95%, which is energy saving and eco friendly, and reduces the waste of energy, which is in line with the concept of sustainable development. 5、EASY TO INSTALL: This boost MPPT solar charge controller is lightweight and portable, easy to install, and can provide reliable energy supply. Item Type: Boost MPPT Solar Charge Controller Material: Aluminum Weight: Approx. 324g / 11.4oz Input Current: 320W Controller: 8.8A, 460W Controller: 12.5A, 510W Controller: 14A Operating Temperature: 0°C-55°C Whole Machine Efficiency: 85%-95% 1 x MPPT Solar Charge Controller 1 x Instruction Manual