Features 1Fast Heat Dissipation: The chip inside the auto lift module strengthens heat dissipation reliable and stable and high power. 2Adjustable: Automatic lifting module all use screwdriver free potentiometer can be directly manually adjusted very convenient. 3Aluminum 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. 4Real Time Display: The MPPT regulation voltage of the auto-lift module is displayed in real time on the LCD screen at a glance. 5Wide 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 ModuleMaterial: Aluminum alloy PCBOutput Current Adjustment Range: 0-20ACurrent Display Range: 0.00A-20.00A (Accuracy 0.03A or so)MPPT Function: YesBackflow Prevention Function: Yes connect the battery without string diodeConstant Current (current limiting): YesLCD Display: YesOver Power Protection: 300W beyond the power will shut down the output display OPPProduct Size: Approx. 108 x 64 x 48mm / 4.3 x 2.5 x 1.9inCharging: 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 BoostBuckPowerSupplyModule