Features 98% CONVERSION RATE: Using multiple power tracking algorithms, the charging efficiency is greatly improved, with a conversion rate of up to 98%. DIGITAL DISPLAY: The installed HD screen provides a clear display of various parameters and charging operation status under strong light or at night. ONE BUTTON RESET: The procedure is made simple when the system experiences an anomaly that only one button to reset and restart the system. INTELLIGENT COOLING FAN: When the housing temperature exceeds 50 ℃, intelligently turn on the fan. When the temperature is lower than 50 ℃, the fan will turn off. Reduce power consumption and improve efficiency. PARAMETERS RESETTABLE: Users can set various battery charging parameters to suit various battery types, like lithium battery, iron lithium battery, acid battery, etc. Specification: Item Type: Solar Boost Controller Material: Aluminum Alloy Input Voltage: 12-50V Output Voltage: 24-88V Maximum Input Current: 12A Power: 450W Package List:1 x Solar Controller 2 x Fuse  Package List 1 x Solar Controller 2 x Fuse