It works fine, but is missing some circuitry to satisfy the laptop charging system, Genuine 40W Acer Aspire E5-721-64T8 AC Adapter Charger, Houston Texas, 77007
Genuine 40W Acer Aspire E5-721-64T8 AC Adapter Charger
Genuine 75W Toshiba Satellite L50-B-1QR 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.