It works fine, but is missing some circuitry to satisfy the laptop charging system, Genuine 90W Sony Vaio VGN-Z550N/B VGN-Z550N AC Power Adapter Charger, Albany Oregon, 97322
Genuine 90W Sony Vaio VGN-Z550N/B VGN-Z550N AC Power Adapter Charger
Genuine 150W HP Pavilion 17-ab213ur 1NB64EA AC Adapter Charger with 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.