Features: XL6009 Current Adjustable Booster Power Converter Module, Highly efficiency not-isolated booster module can be used for booster voltage stabilizer power supply, adjustable mobile power supply, booster charger, etc. Input Voltage: 3V-32V, The optimal operating voltage is 5-32V; Output Voltage: 5V-35V Continuing Adjust (Step-up module, output voltage is higher than input voltage) Input Current: 4A (most) Not-Load 18mA (The higher voltage, the greater no-load current.) The booster power board is equipped with 4A highly-efficiency MOSFET switching tube, with the conversion efficiency up to 94%.Ultra highly switching frequency 400KHz, the filter capacitance with small capacity can achieve very good effect. Specifications: Product Name:XL6009 400KHz 4A Switching Current Step-On Power Converter Module Module Type: Not-isolation Boost (BOOST) Input Voltage: 3V-32V, Output Voltage: 5V-35V (Step-up module, output voltage is higher than input voltage) Input Current: 4A (most) Not-Load 18mA (The higher voltage, the greater no-load current.) Conversion Efficiency: most 94% (The larger voltage difference, the lower efficiency) Switching Frequency: 400KHz Output: 50mV (The higher voltage, the greater current ) Load Regulation: +/-0.5% Voltage Regulation: +/-0.5% Working Temperature: -40 to +85degree Celsius Size: 43x21x14mm(LxWxH) Option Type:Small Capacity Module,Big Capacity Module, Package Includes: 2pcs Xl6009 Booster Power Module note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.