Features 1、Fast Heat Dissipation: The chip inside the auto lift module strengthens heat dissipation, reliable and stable, and high power. 2、Adjustable: Automatic lifting module all use screwdriver free potentiometer, can be directly manually adjusted, very convenient. 3、Aluminum Alloy Material: The metal part of the automatic lifting pressure module is made of aluminum alloy, which has good hardness and also good rust resistance. 4、Real Time Display: The MPPT regulation voltage of the auto-lift module is displayed in real time on the LCD screen at a glance. 5、Wide Application: Auto boost module is used in a wide range of applications, solar charging, battery lithium charging, LED constant current driver, voltage regulator. Specification Item Type: Boost Buck Power Supply Module Material: Aluminum alloy, PCB Output Current Adjustment Range: 0-20A Current Display Range: 0.00A-20.00A (Accuracy ±0.03A or so) MPPT Function: Yes Backflow Prevention Function: Yes, connect the battery without string diode Constant Current (current limiting): Yes LCD Display: Yes Over Power Protection: 300W, beyond the power will shut down the output, display OPP Product Size: Approx. 108 x 64 x 48mm / 4.3 x 2.5 x 1.9in Charging: Connect the battery for charging (be careful not to connect the negative terminal anyway). MPPT can be properly adjusted potentiometer so that the module is always at maximum power point output. It is recommended to connect diodes to completely prevent backflow. Package List 1 x Boost Buck Power Supply Module