Battery Lenovo OEM Part #: 5B11M90056

Lenovo battery 5B11M90056

Lenovo description: "Lenovo BATTERY,15.44V,57Wh,4cell".

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Compatible Business Laptop Models (2)

Devices documented to accept this OEM component. Compatibility from OEM documentation, not bench-tested.

Business Laptop

ThinkPad X1 Carbon Gen 10

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Fitment Details:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon Gen 10. Lenovo description: "Lenovo BATTERY,15.44V,57Wh,4cell". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Installation: Not verified
Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-10th-gen-type-21cb-21cc/21cb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon Gen 10, machine type(s) 21CB, 21CC, lists FRU 5B11M90056 "Lenovo BATTERY,15.44V,57Wh,4cell". Checked 2026-10-27.)
Business Laptop

ThinkPad X1 Carbon Gen 11

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Fitment Details:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon Gen 11. Lenovo description: "Lenovo BATTERY,15.44V,57Wh,4cell". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Installation: Not verified
Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-11th-gen-type-21hm-21hn/21hm/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon Gen 11, machine type(s) 21HM, 21HN, lists FRU 5B11M90056 "Lenovo BATTERY,15.44V,57Wh,4cell". Checked 2026-10-27.)
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