Input: ac 100v – 240v 50-60hz
output: 20v 4.5a ,compatible with 20v 3.25a( more cooler more stabile but little weighty)
power: 90w (not for more than 90w) compatible with 65w 20v 3.25a( more cooler more stabile but little weighty)
connector size: 7.9*5.5mm with central pin inside (is compatible with 8.2*5.5mm, 8.0*5.5mm and 8.0*5.0mm)