19.5V 2.31A Laptop DC Car Charger Power Adapter for HP EliteBook 820 G3 820 G4 840 G3 840 G4 1040 G2 1040 G1 1040 G3 1030 G1 725 - AliExpress
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HP EliteBook 840 G1 G2 G3 G4 G5 UltraSlim 2013 Docking Station with 65W Adapter | eBay
Usmart New AC Power Adapter Laptop Charger For HP EliteBook 840 G1 E3W32UA Laptop Notebook Ultrabook Chromebook PC Power Supply Cord 3 years warranty - Walmart.com
HP EliteBook 840 g1 Genuine Original OEM laptop Charger AC Adapter Power Cord 65W - Walmart.com
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HP EliteBook 840 G1 - Original Laptop Charger ( 19.5V 3.33A 65w ) - Genuine AC Power Adapter
Amazon.com: Original HP 19.5V 3.33A 65W AC adapter for HP ELITEBOOK 820 G1, HP ELITEBOOK 820 G2, HP ELITEBOOK 820 G3,HP ELITEBOOK 840 G1, HP ELITEBOOK 840 G2, HP ELITEBOOK 840 G3. : Electronics
Amazon.com: 65W 45W USB C Power Adapter Charger Compatible with HP Spectre x360 x2 HP Elite x2 1012 G1 M5 HP Envy x360 HP EliteBook 840 G1 820 G1 HP ProBook 430