Input voltage: 100 to 120 V AC / 200 to 240 V A Output current: 14.36A, Rated output voltage: 19.5V, Output power:280W Tip size: 7.4mm Compatible Model number: LA280PM230, DA280PM230, 492-BDPN, JNVJJ , CWMHT, 492-BFDK This product is compatible with the following systems: Alienware 16 Area-51 AA16250, Alienware 18 Area-51 AA18250, Alienware M16 R2, Alienware M18 R2, Dell Pro Max Micro FCM2250, Dell Pro Max Micro XE FCM2250, G5 15 (5515), Precision Workstation 3280 Compact,Precision Workstation 3280XE Compact