M1 : 15V, Dimension: 6.3*3.0mm for TOSHIBA laptop compatible models; [ M3 ]: 16V, Dimension: 6.5*4.5*1.35mm for SONY, FUJITSU laptop compatible models

M4 : 18.5V, 3.5A, 4.9A; Dimension: 4.8*1.7mm for HP laptop compatible models

M5 :19V, 2.37A, 3.42A, 4.74A; Dimension: 5.5*2.5mm for Toshiba Asus laptop Chromebook compatible models

M6 :19V, 3.16A, 4.74A; Dimension: 5.0*3.0mm with pin for Samsung laptop compatible models

M8 :19.5V, 2A, 3.9A, 4.7A; Dimension: 6.5*4.4mm with pin for Sony laptop models

M9:19.5V, 3.34A,4.62A; Dimension: 7.4*5.0mm with pin for Dell laptop compatible models

M11 :20V, 3.25A,4.5A; Dimension: 7.9*5.4mm with pin for LENOVO IBM laptop compatible models

M12 :18.5V, 3.5A,4.74A; Dimension: 7.4*5.0mm with pin for HP laptop compatible models

M13 : 19V,1.58A, 2.31A, 2.37A ; Dimension: 4.0*1.7mm for Toshiba laptop chromebook compatible models

M18 : 19V, 2.1A, 2.37A, 3.42A; Dimension: 3.0*1.0mm for Acer/Samsung/Asus laptop chromebook compatible models

M19 : 19V, 2.37A, 3.42A; Dimension: 4.0*1.35mm for Asus laptop chromebook compatible models

M20 : 19V, 3.42A,4.74A; Dimension: 5.5*1.7mm for Acer Gateway laptop compatible models

M21:19.5V, 2.31A, 3.33A; Dimension: 4.5*3.0mm with pin for HP laptop chromebook compatible models

M22 : 19.5V, 2.31A, 3.34A,4.62A; Dimension: 4.5*3.0mm with pin for Dell compatible models;

M27 : 20V 3.25A,4.5A; Dimension:11*5.0mm Square tip for LENOVO laptop compatible models