Which battery fits the Lenovo IdeaPad Flex 5 14IIL05? OEM part numbers

4 batteries are documented for the Lenovo IdeaPad Flex 5 14IIL05: 5B10X49072, 5B10X49073, 5B10X49075, 5B10X49077. 4 of 4 come from OEM documentation (pcsupport.lenovo.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
5B10X49072	Lenovo Lenovo BATTERY,11.52V,52.5Wh,3cell 5B10X49072	Lenovo description: "Lenovo BATTERY,11.52V,52.5Wh,3cell". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B10X49073	Lenovo Lenovo BATTERY, 11.52V, 52.5 Wh, 3cell 5B10X49073	Lenovo description: "Lenovo BATTERY, 11.52V, 52.5 Wh, 3cell". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B10X49075	Lenovo Lenovo BATTERY, 11.52V, 52.5Wh, 3cell 5B10X49075	Lenovo description: "Lenovo BATTERY, 11.52V, 52.5Wh, 3cell". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B10X49077	Lenovo Lenovo BATTERY 11.55V 52.5 Wh 3cell 5B10X49077	Lenovo description: "Lenovo BATTERY 11.55V 52.5 Wh 3cell". OEM documentation only; not bench-tested.	OEM documented	2026-11-04

Where do these Lenovo IdeaPad Flex 5 14IIL05 battery part numbers come from?

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

Are these batteries tested in the Lenovo IdeaPad Flex 5 14IIL05?

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 Flex 5 14IIL05.

Other parts for the IdeaPad Flex 5 14IIL05

Service Part (226) · Screw Kit (1) · Keyboard (378) · Screen (5) · Power Cord (36) · Stylus (2) · Motherboard (10) · Wireless Card (2) · Power Adapter (32) · Cable (4) · Display Cable (1) · Touchpad (3) · SSD (21) · Fan (1) · Hinge (3) · I/O Board (1) · Display Back Cover (6) · Bracket (2) · Heat Sink (2) · Camera (1) · Speakers (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model lenovo-ideapad-flex-5-14iil05) or the keyless JSON API.