Which RTC battery fits the HP ProBook 645 G2? OEM part numbers

1 RTC battery is documented for the HP ProBook 645 G2: 651948-001. 1 of 1 comes from OEM documentation (h10032.www1.hp.com); last checked 2026-11-04. Not bench-tested: match the number on your old RTC battery and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
651948-001	HP RTC battery with cable and adhesive 651948-001	HP description: "RTC battery including cable". OEM documentation only; not bench-tested.	OEM documented	2026-11-04

Where do these HP ProBook 645 G2 RTC battery part numbers come from?

1 of 1 fits are from OEM documentation (h10032.www1.hp.com); each row links its source. Last checked 2026-11-04.

Are these RTC batteries tested in the HP ProBook 645 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 ProBook 645 G2.

Other parts for the HP ProBook 645 G2

Service Part (20) · Hinge Cover (5) · Keyboard (6) · Touchpad (8) · Card Reader (1) · Fan (5) · Motherboard (33) · Fingerprint Reader (3) · Speakers (1) · I/O Board (1) · Bottom Cover (4) · Memory (5) · Wireless Card (1) · Battery (1) · Display Bezel (4) · Screen (8) · Cable (4) · Display Cable (4) · Display Back Cover (4) · SSD (30) · Hard Drive (6) · Power Adapter (5) · Antenna (2) · Screw Kit (2) · Hinge (3) · Camera (1) · Microphone (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-probook-645-g2) or the keyless JSON API.