It works fine, but is missing some circuitry to satisfy the laptop charging system, Genuine 45W Lenovo L23i-16 AC Adapter Charger with Free Cord, Chino California, 91710
Genuine 45W Lenovo L23i-16 AC Adapter Charger with Free Cord
Genuine 90W HP Pavilion dm1-4201er 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.