Which power adapter fits the HP EliteBook 840 G2? OEM part numbers

5 power adapters are documented for the HP EliteBook 840 G2: 693710-001, 693716-001, 742437-001, 744893-001, L40094-001. 5 of 5 come from OEM documentation (h10032.www1.hp.com, partsurfer.hp.com); last checked 2026-11-12. Not bench-tested: match the number on your old power adapter and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
693710-001	HP AC adapter 693710-001	Adapter option; match wattage, connector and your original adapter. Regional variant (see HP description). HP guide description: "65-W HP Smart AC adapter (RC/V, EM) for use on all computer models". OEM documentation only; not bench-tested.	OEM documented	2026-10-27
693716-001	HP AC adapter 693716-001	OEM documentation only; not bench-tested.	OEM documented	2026-11-12
742437-001	HP AC adapter 742437-001	Adapter option; match wattage, connector and your original adapter. Regional variant (see HP description). HP guide description: "45-W HP Smart AC adapter (RC, non-PFC, 2-prong) for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models". OEM documentation only; not bench-tested.	OEM documented	2026-10-27
744893-001	HP AC adapter 744893-001	Adapter option; match wattage, connector and your original adapter. Regional variant (see HP description). HP guide description: "45-W HP Smart AC adapter (RC, non-PFC, 7.4 mm/non-slim) for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models". OEM documentation only; not bench-tested.	OEM documented	2026-10-27
L40094-001	HP AC adapter L40094-001	Adapter option; match wattage, connector and your original adapter. Regional variant (see HP description). HP guide description: "65-W HP Smart AC adapter (non-PFC) for use on all computer models". OEM documentation only; not bench-tested. HP lists L40094-001 as the replacement for 693711-001.	OEM documented	2026-10-30

Where do these HP EliteBook 840 G2 power adapter part numbers come from?

5 of 5 fits are from OEM documentation (h10032.www1.hp.com, partsurfer.hp.com); each row links its source. Last checked 2026-11-12.

Are these power adapters tested in the HP EliteBook 840 G2?

No. Fits come from manufacturer or retailer documentation and are not bench-tested. Check the part number on your old part and any listed constraint.

All documented parts for the HP EliteBook 840 G2.

Other parts for the HP EliteBook 840 G2

Battery (2) · Keyboard (144) · Bottom Cover (4) · Heat Sink (2) · Fan (1) · Screen (10) · Touchpad (5) · Speakers (1) · Fingerprint Reader (1) · Display Bezel (4) · Microphone (1) · Display Cable (1) · Power Cord (32) · RTC Battery (1) · Service Part (4) · Palmrest (1) · Motherboard (48) · Card Reader (1) · Cable (2) · Hard Drive (9) · Memory (3) · Wireless Card (7) · SSD (19) · Screw Kit (2) · Camera (1) · Antenna (1) · Hinge (2) · Display Back Cover (2)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elitebook-840-g2) or the keyless JSON API.