It works fine, but is missing some circuitry to satisfy the laptop charging system, Genuine 65W Lenovo ThinkPad X200 7454 AC Adapter Charger Power Cord, Elyria Ohio, 44035
Genuine 65W Lenovo ThinkPad X200 7454 AC Adapter Charger Power Cord
90W Asus X83Vb-X1 X83Vb-X2 X83Vm AC Adapter Charger Power Cord
The charger works just fine, but the charging system complains when you plug it in. In fact the charging system says it will charge he laptop, but it lacks some management circuitry. A small annoyance.