Which RTC battery fits the Lenovo IdeaPad 5 15ITL05? OEM part numbers

3 RTC batteries are documented for the Lenovo IdeaPad 5 15ITL05: 5B10S34059, 5B10S34066, 5B10S34067. 3 of 3 come from OEM documentation (pcsupport.lenovo.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
5B10S34059	Lenovo CMOSBATTERYL81LHDB 5B10S34059	Lenovo description: "CMOSBATTERYL81LHDB". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B10S34066	Lenovo CMOS BATTERY L 81LH LX 5B10S34066	Lenovo description: "CMOS BATTERY L 81LH LX". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B10S34067	Lenovo CMOSBATTERYL81LHJHT 5B10S34067	Lenovo description: "CMOSBATTERYL81LHJHT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04

Where do these Lenovo IdeaPad 5 15ITL05 RTC battery part numbers come from?

3 of 3 fits are from OEM documentation (pcsupport.lenovo.com); each row links its source. Last checked 2026-11-04.

Are these RTC batteries tested in the Lenovo IdeaPad 5 15ITL05?

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 IdeaPad 5 15ITL05.

Other parts for the IdeaPad 5 15ITL05

Service Part (234) · Keyboard (1004) · Power Adapter (66) · Power Cord (38) · Display Cable (2) · SSD (24) · Wireless Card (2) · Display Bezel (6) · Motherboard (44) · Screen (19) · Screw Kit (10) · Bracket (2) · I/O Board (1) · Display Back Cover (17) · Power Button (3) · Heat Sink (4) · Speakers (1) · Camera (5) · Cable (6) · Fan (1) · Hard Drive (2) · Hinge (1) · Battery (8)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model lenovo-ideapad-5-15itl05) or the keyless JSON API.