Which battery fits the HP ProBook 645 G1? OEM part numbers

4 batteries are documented for the HP ProBook 645 G1: 718754-001, 718755-001, 718756-001, 718757-001. 4 of 4 come from OEM documentation (h10032.www1.hp.com); last checked 2026-11-04. Not bench-tested: match the number on your old battery and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
718754-001	HP battery 718754-001	HP description: "3-cell 33-WHr 2.0-AHr Li-ion battery". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
718755-001	HP battery 718755-001	HP description: "6-cell 55-WHr 2.5-AHr Li-ion battery". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
718756-001	HP battery 718756-001	HP description: "6-cell 55-WHr 2.8-AHr Li-ion battery". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
718757-001	HP battery 718757-001	HP description: "9-cell 100-WHr 3.0-AHr Li-ion battery". OEM documentation only; not bench-tested.	OEM documented	2026-11-04

Where do these HP ProBook 645 G1 battery part numbers come from?

4 of 4 fits are from OEM documentation (h10032.www1.hp.com); each row links its source. Last checked 2026-11-04.

Are these batteries tested in the HP ProBook 645 G1?

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 ProBook 645 G1.

Other parts for the HP ProBook 645 G1

Service Part (48) · Keyboard (198) · Speakers (1) · Touchpad (10) · Fan (2) · Heat Sink (2) · Cable (3) · Bottom Cover (2) · Power Adapter (9) · Wireless Card (5) · Hard Drive (17) · RTC Battery (1) · Camera (1) · Microphone (1) · SSD (16) · Display Cable (4) · Power Cord (16) · Screw Kit (1) · Memory (4) · Motherboard (70) · Display Bezel (6) · Hinge (1) · Screen (14) · Card Reader (3) · Service Door (4) · Hinge Cover (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-probook-645-g1) or the keyless JSON API.