Which RTC battery fits the Lenovo IdeaPad 1 15IAU7? OEM part numbers

2 RTC batteries are documented for the Lenovo IdeaPad 1 15IAU7: 5B11F14639, 5B11F14640. 2 of 2 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
5B11F14639	Lenovo CMOS BATTERY L 82LV DB 5B11F14639	Lenovo description: "CMOS BATTERY L 82LV DB". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B11F14640	Lenovo CMOS BATTERY L 82LV JH 5B11F14640	Lenovo description: "CMOS BATTERY L 82LV JH". OEM documentation only; not bench-tested.	OEM documented	2026-11-04

Where do these Lenovo IdeaPad 1 15IAU7 RTC battery part numbers come from?

2 of 2 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 1 15IAU7?

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 1 15IAU7.

Other parts for the IdeaPad 1 15IAU7

Service Part (120) · Keyboard (186) · Display Back Cover (6) · SSD (33) · Power Cord (37) · Screen (10) · Screw Kit (8) · Camera (3) · Wireless Card (5) · Heat Sink (2) · Power Adapter (5) · Memory (15) · Motherboard (12) · Battery (11) · I/O Board (1) · Hinge Cover (3) · Fan (2) · Hinge (1) · Cable (6) · Display Cable (2) · Display Bezel (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model lenovo-ideapad-1-15iau7) or the keyless JSON API.