Adjustable VoltageInput: AC 100~240V, 50/60Hz, Output Voltage can be adjusted from 3V to 36V DC (such as 3V 4V 4.5V 5V 5.5V 6V 9V 12V 14V 15V 19V 20V 24V 30V 36V). Wattage Max 2A, 72W; It can supply with amps less than 2A, such as 300mA, 500mA,1A, 1.5A, 2A. Upgraded Version Power SupplyBuilt-in protruding rotatable button for adjusting the voltage suitable for your device ,The LED displays real-time voltage,which helps you control real-time condition of charging. The knob can be adjusted more evenly, and it can reach 13V ~ 18V by rotating 50%. Increase the off gear to turn off the power without pulling the plug. Multiple DC TipsEquipped with 16 frequently used plugs: Micro-USB, Type-C, DC terminal connector, 6.5x4.4mm+Pin,6.3x3.0mm,5.5x1.7mm, 5.5x3.0mm+Pin, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm5.5X2.5mm female to alligator clip3pcs 5.5X2.5mm male connector with cable. Safety Protection DesignBuilt-in protruding rotatable button for adjusting the voltag