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Lenovo ThinkPad L14 Gen 4

Dataset id: lenovo-thinkpad-l14-gen-4

RAM coverage
high confidence · 11 reports
Storage coverage
high confidence · 16 reports
Battery coverage
high confidence · 11 reports

Lenovo ThinkPad L14 Gen 4: socketed memory observed in 11 field reports, 2 memory slots; NVMe storage observed in 100% of 16 reports; battery part 5B11H56342 reported.

RAM

Socketed memory observed in 11 field reports.

Memory slots: 2. 27% of reports for this model had at least one empty slot.

Memory type: DDR4. Observed memory speed: 3200 MT/s.

Largest observed configuration: 64 GB (2 reports).

Recorded maximum configuration: 64 GB, firmware-reported maximum (SMBIOS "Maximum Capacity", modal across 11 probes).

Based on 11 field reports, 100% agreement, high confidence.

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Storage

NVMe storage observed in 16 field reports.

NVMe observed in 100% of 16 reports (a rounded share of reports, not an exact drive count).

Drives observed in reports: SK hynix BC901 NVMe Solid State Drive (DRAM-less) (6), Sandisk WD PC SN740 NVMe SSD 512GB (DRAM-less) (4), KIOXIA BG5 (DRAM-less) (3).

Installed capacities observed: not verified.

Curated physical specifications: not verified.

Based on 16 field reports, high confidence.

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Battery

Battery

Battery part numbers observed: 5B11H56342 (3), 5B11H56344 (3), 5B11H56350 (2), 5B11H56343 (1).

Capacity observed: 57 Wh (9), 46.5 Wh (2).

Voltage observed: 11.52 V (11520 mV).

Chemistry observed: Li-poly.

Manufacturers observed: SMP (4), Sunwoda (4), BYD (2), Celxpert (1).

This slot appeared in 11 of 11 reports for this model, 100% agreement, high confidence.

Other models reporting this part

Models reporting the same part number are listed as a factual cross-reference only: this is not a compatibility claim and not a guarantee that the part will work in another model — check the part number printed on your own battery before ordering.

Before you order, verify the replacement: match the exact part number printed on your current battery, and check voltage, connector, and dimensions before buying.
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Sources

Fields recorded directly from hardware (firmware/PCIe reports) are distinguished below from curated facts hand-verified against manufacturer documentation.