M4 18.5V  4.8*1.7MM  HP/COMPAC/NEC/ASUS

M5 19V  5.5*2.5MM  ACER/ASUS/COMPAC/DELTA/HP/FUJITSU/GATEWAY/TOSHIBA/LITEON

M6 19V 5.0*3.0MM  SAMSUNG

M8 19.5V 6.5*4.4MM SONY/FUJITSU

M15 19V 5.5*1.7MM ACER 19V 4.7A

M10  19.5V 4.5*3.0MM HP 19.5V 4.62A

M20 18.5V 7.4*5.0MM HP/COMPAC

M25 20V FLAT USB PIN LENOVO

M27 19V 4.0*1.35MM ASUS ZENBOOK

M28 19.5V 4.0*1.7MM HP19.5V 2.05A

M29 19.5V 4.8*1.7MM(BLACK)  HP 19.5V 4.62A