It works fine, but is missing some circuitry to satisfy the laptop charging system, Genuine 170W Lenovo ThinkPad 04W3947 40A20170XX AC Adapter Charger, lucedale Mississippi, 39452
Genuine 170W Lenovo ThinkPad 04W3947 40A20170XX AC Adapter Charger
Genuine 65W Lenovo G570 4334-A2U 4334-A8U 4334-B7U AC Adapter Charger
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.