Source:Lenovo Parts Lookup
Source notes
Lenovo Support parts list for machine type 82FG: "5B10S34066" (CMOS BATTERY L 81LH LX). (via MG fold)
5B10S34066
Lenovo CMOS BATTERY L 81LH LX 5B10S34066
Which laptops does 5B10S34066 fit? 5B10S34066 (Lenovo RTC battery) is documented to fit 2 laptop models: IdeaPad 5 15ITL05 and IdeaPad 3 15ADA05. Fits come from OEM documentation (Lenovo Parts Lookup), last checked 2026-11-04; not bench-tested. Full compatibility list.
Lenovo spare part description: "CMOS BATTERY L 81LH LX". Documented OEM replacement; see each fit for configuration limits.
Compatible Business Laptop Models (2)
Devices documented to accept this OEM component. Compatibility from OEM documentation or a labelled source, with a confidence level on each fit; not bench-tested.
Fit note for all 2 models: Lenovo description: "CMOS BATTERY L 81LH LX". OEM documentation only; not bench-tested.
Fits these models
| Model | Brand | Last checked | Confidence |
|---|---|---|---|
| IdeaPad 5 15ITL05 All RTC battery for this model | Lenovo | 2026-11-04 | OEM documented |
| IdeaPad 3 15ADA05 All RTC battery for this model | Lenovo | 2026-11-04 | OEM documented |
Source:Lenovo Parts Lookup
Source notes
Lenovo Support parts list for machine type 81W1: "5B10S34066" (CMOS BATTERY L 81LH LX). (via MG fold)
Fits these models
Summary of the documented fits above (sources on each model card); not bench-tested.
| Model | Brand | Type |
|---|---|---|
| IdeaPad 5 15ITL05 | Lenovo | Laptop |
| IdeaPad 3 15ADA05 | Lenovo | Laptop |
Which RTC battery fits each model?
Fit check: Always confirm the OEM part/FRU number on your machine's label or in the service manual before buying. Lenovo Parts Lookup
Key facts
- Part number
5B10S34066- Type
- RTC Battery
- Brand
- Lenovo
- Fits
- 2 catalog models
- Evidence
- OEM documented: 2
- Source
- pcsupport.lenovo.com
- Last checked
- 2026-11-04
- Tested
- Not bench-tested; documentation only
- Machine-readable
- JSON, Markdown