| Spec | Detail |
|---|---|
| Brand | Unbranded (quality third‑party, not made by Lenovo) |
| Battery Type | 75 (6‑cell) |
| Chemistry | Li‑ion, 6‑cell |
| Voltage | 11.1 V nominal |
| Capacity | 4400 mAh • ≈ 49 Wh |
| Smart Features | SMBus controller supports Lenovo Power Manager diagnostics |
| Cycle Life | 400–500 charge cycles (typical) |
| Color / Finish | Matte black |
L11S6Y01 • L11L6Y01 • L11S6F01 • 45N1044 • 45N1045 • 45N1047 • 0C52861
Fits any ThinkPad that originally shipped with a “75” or “75+” 6‑cell pack.
✓ ThinkPad T430, T430 i
✓ ThinkPad T530, T530 i
✓ ThinkPad W530
✓ ThinkPad L430, L530
✓ Any other model that uses the Lenovo 75 / 75+ bay battery
