L77487-003 PA-5501-2 DPS-500AB-51 a

 PA-5501-2 DPS-500AB-51 a DPS-500AB-51A

HP envy Z2 G4 800 880 G3

AC Input :
100V-240V 50-60HZ 6A

DC Output :
+12.1VMAIN 18A
+12.1VCPU1 18A
+12.1VCPU2 18A
+12.1VG1 18A
+12.1VG2 18A
500W