It works fine, but is missing some circuitry to satisfy the laptop charging system, Genuine Sony Xperia SGP312JP/W AC Adapter Charger with Micro USB Cable, San Diego California, 92128
Genuine Sony Xperia SGP312JP/W AC Adapter Charger with Micro USB Cable
90W Packard Bell EasyNote S4000 S5000 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.