M1 - 15.0V 6.3*3.0mm Toshiba M2 - 16.0V 5.5*2.5mm IBM, Lenovo M3 - 16.0V 6.5*4.4mm Sony, Fujitsu M4 - 18.5V 4.8*1.7mm Compaq, HP M5 - 19.0V 5.5*2.5mm Acer, Asus, Compaq, Delta, HP, Fujitsu, Gateway, Toshiba, Liteon M6 - 19.0V 5.0*3.0mm Samsung M7 - 19.0V 5.5*2.1mm Acer, Compaq, Delta, HP, Fujitsu, Gateway, Toshiba, Liteon M8 - 19.5V 6.5*4.4mm Sony M11 - 20.0V 7.9*5.4mm IBM, Lenovo M15 - 12.0V 4.8*1.7*10.7mm DC-F ASUS, HP M20 - 19.0V 4.0*1.7*10.7mm DC-F HP M28 - 20.0V 11*4.6mm Lenovo Ultrabook |