Per Lenovo Caricabatteria Portatile Adattatore AC Alimentatore 20V 2.25A 45W PA-1450-55LL
Output: 20V 2.25A 45W. Such as battery, ac adapter etc. All item passed FCC / CE / ROHS certificates. We work with a good quality OEM supplier and factory. Help you and us save money greatly. Connecter size: 4.0mm 1.7mm.