Laptop Car Charger 45W 19.5V 2.31A Power Adapter For HP EliteBook Notebook##
Power: 45W. Compatible with: HP EliteBook 820 G3, 820 G4, 840 G3, 840 G4, 1040 G2, 1040 G1, 1040 G3, 1030 G1, 725. Works with multiple HP EliteBook models for versatile use. You can find the detailed specifications on the bottom of your laptop.