HP 19 volts 4.74 amps 90 watts (5.5mm x 2.5mm)

Asus 12 volts 3 amps 48 watts (4.8mm x 1.7mm)

Asus 19 volts 2.1 amps 40 watts (2.48mm x 0.7mm)

Asus 19 volts 4.74 amps 90 watts (5.5mm x2.5mm)

Dell 19.5 volts 4.62 apms 90 watts (7.4x5.0) with Pin inside Original Slim

Dell 19.5V 3.34A Hexagonal Original

Dell 19.5 volts 4.62 amps 90 watts (7.4mm x 5.0) with Pin

HP 19 volts 3.16 amps 60 watts (5.5mm x 2.5mm)

Dell 19.5 volts 6.7 amps 130 watts (7.4x5.0)

HP 18.5 volts 4.9 amps 91 watts (4.8mm x 1.7mm)

HP 18.5 volts 4.9 amps 91 watts (5.5mm x 2.5mm)

HP 18.5 volts 4.9 amps 91 watts (7.4mm x 5.0mm) central pin inside