Which battery fits the HP EliteBook 840 G9? OEM part numbers

3 batteries are documented for the HP EliteBook 840 G9: M73466-005, M73468-005, TBD-001. 3 of 3 come from OEM documentation (partsurfer.hp.com, support.hp.com, kaas.hpcloud.hp.com); last checked 2026-11-12. Not bench-tested: match the number on your old battery and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
M73466-005	HP 3-cell 51Wh battery M73466-005	Listed for all 8 checked HP EliteBook 840 G9 product numbers. HP description: "SKO-BATT 3C51Wh 4.68Ah LI WP03051XL-PL". Confirm your product number on HP PartSurfer before ordering. OEM parts list only; not bench-tested. Config limit: in the cached HP PartSurfer BOMs this part is listed on 8 of 9 checked product numbers (6T836US, 6U9N7US, 6X5F9US, 6Y831US, 6Z0N8US, 6Z9M1US, 734R5US, 73B19US); confirm your product number on HP PartSurfer before ordering.	OEM documented	2026-10-23
M73468-005	HP 3-cell 38Wh battery M73468-005	HP description: "Battery (includes cable)". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested.	OEM documented	2026-11-04
TBD-001	HP RTC battery (includes cable and double-sided adhesive) TBD-001	HP spare part: RTC battery (includes cable and double-sided adhesive). OEM documentation only; not bench-tested.	OEM documented	2026-11-12

Where do these HP EliteBook 840 G9 battery part numbers come from?

3 of 3 fits are from OEM documentation (partsurfer.hp.com, support.hp.com, kaas.hpcloud.hp.com); each row links its source. Last checked 2026-11-12.

Are these batteries tested in the HP EliteBook 840 G9?

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 G9.

Other parts for the HP EliteBook 840 G9

Power Adapter (49) · Fingerprint Reader (2) · Heat Sink (2) · Display Back Cover (4) · Display Bezel (5) · Bottom Cover (2) · Hinge (1) · Touchpad (2) · Speakers (2) · Fan (2) · Display Cable (1) · Keyboard (99) · Camera (2) · RTC Battery (1) · Screen (5) · Power Cord (76) · SSD (10) · Wireless Card (6) · Card Reader (1) · I/O Board (1) · Motherboard (30) · Microphone (1) · Service Part (42) · Cable (15) · Memory (3) · Screw Kit (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elitebook-840-g9) or the keyless JSON API.