Features MPPT: Advanced MPPT maximum power point tracking technology, with a maximum tracking efficiency greater than 99%, can save energy on solar panels; Adopting excellent components to improve system performance. BOOST CHARGING: Boost the voltage of 24V solar panels to charge 36V, 48V, 60V, and 72V batteries in electric vehicles and solar system kits. There is no need to add additional solar panels or change the connection of the solar panels. LCD DIGITAL DISPLAY: Intuitive display of charging current and voltage, allowing you to easily track the charging status of the battery. The metal shell provides better heat dissipation effect. MULTIPLE PROTECTION: Overcharge protection function, effectively protecting the battery from overcharging; Reverse protection, both the battery and battery board have reverse protection; Short circuit protection, safe and convenient. SUITABLE FOR VARIOUS BATTERIES: Support manual setting of battery voltage and charging parameters through buttons. Suitable for various battery types, such as lithium batteries, iron lithium batteries, hydrogen batteries, acid batteries. Specification: Item Type: MPPT Boost Solar Charge Controller Material: Aluminum Alloy Solar Input Voltage: 12V-50V Maximum Solar Current: 33A Maximum Solar Power: 600W at 18V Battery Type: 24V, 36V, 48V, 60V, 72V, custom battery voltage (default 48V) Battery Overcharging Protection Voltage: 28.8V (24V system), 43.2V (36V system), 57.6V (48V system) 72V (60V system), 86.4V (72V system), custom voltage No Load Loss: Less than 20mA Conversion Efficiency: Greater than 97% MPPT Tracking Efficiency: Greater than 99% Working Temperature: -20 ℃ to 65 ℃ Protection Level: IP65 Battery Compatibility: In accordance with for EN61000, for EN55022, for EN55024 Package List: 1 x MPPT Solar Controller  2 x Fuse  1 x Manual  Package List 1 x MPPT Solar Controller 2 x Fuse 1 x Manual