Description Product Reviews 18V DC 1000mA Output Power Adapter (100-240V AC Input, 2.1mm ID / 5.5mm OD) This high quality power adapter powers all 18 Volt DC devices. Let New Tech Industries keep your devices powered on and working great with our professional grade power adapters. Features 18V DC power 1A output 100-240V AC input Inner Diameter: 2.1mm Outer Diameter: 5.5mm UL rated 0 Reviews Hide Reviews Product Reviews