Price reduced, was $30. Original Asus adapter Model ADP-90CD DB Input:AC100-240V Output: DC 19V 4.74A 90W 5.5mm*2.5mm Excellent backup AC Adapter for your Laptop. High Efficiency and Reliability. This adapter was tested and proven to match and/or exceed original specifications of Asus products. Replacement for: COMPAQ AF4814 AF1781 AF1454 A309241-001 308745-001 310925-001 298239-001 222113-001 198713-001 180676-001 177626-001 247051-001 247050-001 246437-002 246437-001 196345-B22 308745-001 Fit Machine models: Asus K43E-VX139D K43F K43J * Laptop AC Adapter; Asus K43E-VX139D K43F K43J, PN: ADP-90CD DB, ADP-90SB