1、MPPT Maximum Power Point Tracking Technology: This solar boost controller adopts MPPT maximum power point tracking technology, with a maximum tracking efficiency of 99%, which can save the energy of the battery panel and reduce the cost of the panel. 2、Excellent Components: This solar boost controller uses excellent quality components to improve system performance with a maximum conversion efficiency of 97%. It has super fast maximum power point tracking speed, while ensuring tracking efficiency. 3、4 Digit Tube: This solar boost controller adopts 4 digit tube with real time display of panel voltage, charging current, battery voltage, etc., which is convenient and clear to show the charging status. 4、Wider PV Array: This solar boost controller utilizes a wider photovoltaic array with a maximum power point operating voltage range of 12V‑50V. 5、Wide Application: This solar boost controller has a wide range of applications and can be applied to a variety of batteries, including lithium batteries, lithium iron batteries and so on. 1 x Solar Boost Charge Controller2 x Fuse  Item Type: Solar Boost ControllerMaterial: Aluminum AlloyBattery Type: 24V, 36V, 48V, 60V, 72V Self Recognition (Default 48V)Overvoltage: 28.8V(24V), 43.2V(36V), 57.6V(48V), 72.0V(60V), 86.4V(72V), Can be set by yourself.PV Maximum Power: 600W at 18VPV Maximum Current: 33AReverse Connection Protection: Reverse battery connection will blow the fuse.MPPT Efficiency: >99%.Efficiency of The Whole Machine: ＞95%No Load Loss: <20mAOperating Temperature: -20℃-65℃Insulation Resistance: AC1KV, 5min Test, ≥20MΩWaterproof Grade: IP65