It works fine, but is missing some circuitry to satisfy the laptop charging system, Genuine 65W Acer Aspire 3 A315-21G-99JA AC Adapter Charger with Free Cord, Caddo Oklahoma, 74729
Genuine 65W Acer Aspire 3 A315-21G-99JA AC Adapter Charger with Free Cord
Genuine 65W Lenovo thinkpad T550 20CK000FUS AC Power 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.