1、Industrial-grade main control chip, 16-level AD sampling accuracy, accurate real-time display of temperature, charging current, and discharging current. 2、Auto-focus MPPT tracking charging, high charging efficiency, non-stop detection during the charging process, two-way focus tracking. 3、Large-screen LCD display, ultra-wide charge and discharge adjustable range. The output power off and time can be adjusted, very convenient. 4、Complete 3-stage charge management, effectively protect the battery, making the battery more durable. 5、Has protection against overheat, overcurrent, short circuit, open circuit, reverse connection. When the fault is eliminated, the controller automatically recovers without damaging the equipment. 6、Two-way MOS tube anti-backflow circuit, high-power charging mode, ultra-low heat generation. 7、R5.0 solar charging 0C plug, R5.0 DC lamp output DC plug, very easy to connect. Item Type: Solar Charge Controller Model: BL912B Material: ABS Application: Suitable for household, industrial, commercial, etc. System Voltage: 12V/24V Maximum Photovoltaic Voltage: 50V Maximum Photovoltaic Input Power: 390W (12V); 390W (24V) Rated Current: 30A Solar Photovoltaic Voltage: 12V with 18V solar panel, 24V with 36V solar panel. Fully Charged Voltage Value: Lithium battery 12.2V; B02 colloidal type 14.2V; B0314.6V. Floating Voltage: 13.7V (1 default value, adjustable) Discharge Cut-Off Voltage: 10.7V (default value, adjustable) Discharge Recovery Voltage: 12.6V (default value, adjustable) Standby Current: <10mA USB Output: 5V/2A Maximum Working Temperature: -35 - +60℃ 1 x Solar Charge Controller 1 x User Manual