1.Model Number: DC power adapter ADP-90SB BB 19V 4. ... Best customer service and good quality with compatitive price~ Specification:1.Place of Origin: Guangdong China (Mainland) 2.Brand Name: original3 ... series: M1, M1000, M1000A, M1AFor ASUS M2 series: M2, M2000, M2000A, M2000C, M2000E, M2000N, M2000Ne, M2A, M2C, M2E, M2N, M2NeFor ASUS ... ADP-90SB BB 19V 4.74A (5.5*2.5mm 1 Pin)