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Lenovo ThinkPad L15 Gen 4

Dataset id: lenovo-thinkpad-l15-gen-4

RAM coverage
high confidence · 8 reports
Storage coverage
high confidence · 13 reports
Battery coverage
high confidence · 8 reports

Lenovo ThinkPad L15 Gen 4: socketed memory observed in 8 field reports, 2 memory slots; NVMe storage observed in 100% of 13 reports; battery part 5B11H56344 reported.

RAM

Socketed memory observed in 8 field reports.

Memory slots: 2. 50% of reports for this model had at least one empty slot.

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

Largest observed configuration: 32 GB (4 reports).

Recorded maximum configuration: 64 GB, firmware-reported maximum (SMBIOS "Maximum Capacity", modal across 8 probes).

Based on 8 field reports, 100% agreement, high confidence.

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Storage

NVMe storage observed in 13 field reports.

NVMe observed in 100% of 13 reports (a rounded share of reports, not an exact drive count).

Drives observed in reports: SK hynix BC901 NVMe Solid State Drive (DRAM-less) (9), Sandisk WD PC SN740 NVMe SSD 512GB (DRAM-less) (2), SK hynix Gold P31/BC711/PC711 NVMe Solid State Drive (2).

Installed capacities observed: not verified.

Curated physical specifications: not verified.

Based on 13 field reports, high confidence.

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Battery

Battery

Battery part numbers observed: 5B11H56344 (3), 5B11H56342 (2), 5B11M90008 (2), 5B11H56343 (1).

Capacity observed: 57 Wh (8).

Voltage observed: 11.52 V (11520 mV).

Chemistry observed: Li-poly.

Manufacturers observed: Sunwoda (4), SMP (3), Celxpert (1).

This slot appeared in 8 of 8 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.