. Provide optimal power and help offset power fluctuations to your HP notebook with a HP 90W Smart AC Adapter. Now available with a new right-angled (90) connector that reduces cable stress and an optional 4.5mm to 7.4mm conversion dongle. As a replacement or back-up adapter be prepared with the right connectionKey Product Info . Connection versatility with a specially designed dongle allowing for simple conversion from the new standard 4.5mm connector to HP predecessor notebooks with 7.4mm connectors.Operate with confidence with optimal performance using smart-pin technology and reduce the risk of power surges while drawing only minimal power as needed.Tight access made convenient the new right-angled (90) 4.5mm connector allows for connecting in limited spaces and reduces cord bending providing better cable management and longevity. Product Features Controlled and efficient flowOperate with confidence with optimal performance using smart-pin technology and reduce the risk of power surges while drawing only minimal power as needed. Connection for today and yesterdayConnection versatility with a specially designed dongle allowing for simple conversion from the new standard 4.5mm connector to HP predecessor notebooks with 7.4mm connectors. The perfect right turnTight access made convenient the new right-angled (90) 4.5mm connector allows for connecting in limited spaces and reduces cord bending providing better cable management and longevity. What\'s in the box? . 90W AC Adapter power cable warranty booklet