BAJ 19V 4.74A 90W Power Charger Adapter for HP Elitebook 2540p 2560p 2570p 2740p 2760p 6930p 8460p 8440p 2540p 8470p 2560p 6930p 8560p 8540w 2570p 8540p 8570p 2760p 2170p 8530w 19V~4.74A~90W Connector: 7.4mm * 5.0mm Fit laptop models:HP EliteBook 2170p, 2530p, 2540p, 2560p, 2570p, 2730p, 2740p, 2760p, 6930p, 8440p, 8440w, 8460p, 8460w, 8470p, 8470w, 8530w, 8540p, 8540w, 8560p, 8570p Package: 1x Ac adapter & 1x Ac power cable Warranty: 30 Days Money Back Guarantee / 12 Months - Free Exchange 100% New from Manufacturer,Compatibility With the Original, CE/FCC/UL or ROHS Certified for Security Assurances.