Which battery fits the HP EliteBook 820 G2? OEM part numbers

2 batteries are documented for the HP EliteBook 820 G2: 717377-001, 717378-001. 2 of 2 come from OEM documentation (h10032.www1.hp.com); last checked 2026-10-27. Not bench-tested: match the number on your old battery and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
717377-001	HP battery 717377-001	HP guide description: "3-cell, 26-WHr, 2.50-AHr, Li-ion battery". OEM documentation only; not bench-tested.	OEM documented	2026-10-27
717378-001	HP battery 717378-001	HP guide description: "3-cell, 46-WHr, 4.15-AHr, Li-ion battery". OEM documentation only; not bench-tested.	OEM documented	2026-10-27

Where do these HP EliteBook 820 G2 battery part numbers come from?

2 of 2 fits are from OEM documentation (h10032.www1.hp.com); each row links its source. Last checked 2026-10-27.

Are these batteries tested in the HP EliteBook 820 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 820 G2.

Other parts for the HP EliteBook 820 G2

Heat Sink (1) · Fan (1) · Bottom Cover (4) · Screen (4) · Power Adapter (7) · Keyboard (66) · Microphone (1) · Power Cord (35) · RTC Battery (1) · Display Bezel (5) · Palmrest (1) · Motherboard (3) · Service Part (10) · Card Reader (1) · Fingerprint Reader (1) · Speakers (1) · Touchpad (2) · Hard Drive (7) · Memory (2) · SSD (12) · Wireless Card (5) · Camera (1) · Hinge (2) · Display Cable (2) · Antenna (4) · Display Back Cover (2) · Cable (2) · Screw Kit (1) · Feet (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elitebook-820-g2) or the keyless JSON API.