It works fine, but is missing some circuitry to satisfy the laptop charging system, Genuine 45W Lenovo N40 N50 B40 B50 AC Adapter Charger Power Cord, Torrington Connecticut, 6790
Genuine 45W Lenovo N40 N50 B40 B50 AC Adapter Charger Power Cord
Genuine 90W AC Power Adapter Charger Asus X450CA-CA282H with Free 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.