Features: High Conversion Rate: This solar charge controller Features a high conversion rate of up to 98%, ensuring efficient energy conversion from solar panels to batteries. It maximizes the utilization of solar power and helps save electricity costs. Comprehensive conservation: Equipped with multiple conservation functions in charge controller, including overcharge, overcurrent, temperature, reverse current, short circuit, and reverse connection conservation. Effectively safeguards your solar panel system and prolongs its lifespan. Versatile Compatibility: Designed to work with both 12V and 24V systems, this solar controller automatically adapts to different voltage settings. It is compatible with various solar panel types and battery types of 10-12V, providing flexibility for different applications. User-friendly Interface: The OLED high-definition display screen of solar panel controller provides clear and intuitive information about the charging status, battery voltage, and other relevant data. Users can easily monitor and manage their solar power system. Multiple Outputs: This solar panel charge controller offers diverse outputs, including solar panel input, battery input, USB ports, Type-C output, and two lamp outputs. It supports the charging and discharging control of solar panels, making it suitable for various off-grid solar applications. Specification: Product material: ABS Product size: 13 x 7.2 x 2.5cm / 5.12 x 2.83 x 0.98in Product weight: 0.075kg / 0.17lb Product color: Black, Orange (Optional) Charging efficiency: 98% Rated charging current: 30A, 40A (Optional) System voltage: 12V/24V automatic recognition Maximum photovoltaic voltage: 12V system23V/24V system46V Boost charging voltage: 14.6V Float charging voltage: b1/14.4V, b2/14.2V, b3/14.6V (adjustable range: 13V-15V) 13.7, (default value, adjustable range: 12.7V-15V) Discharge cut-off voltage: 10.7V (default value, adjustable range: 9V-11.3V) Discharge recovery voltage: 10.7V (default value, adjustable range: 9V-11.3V) Solar panel input: 12-36V Battery input: 10-12V Controller output: USB2.0: 5V/2.5A, USB3.0: 5V/2.5A, 9V/2A, 12V/1.5A (QC4+/QC4/QC3.0/QC2.0), Type-C: 5V/3A Bulb DC output: 12V Standby current: 10mA Working temperature: -35 - 60C / -95 - 140F Note: The float charging voltage, discharge cut-off voltage, and discharge recovery voltage only correspond to the 12V system. If using a 24V system, please multiply by 2. Packing List: 1 x Charge Controller