Product Summary: The KingSener L21M4P72 is a premium 15.44V 52.5Wh Li-ion replacement battery for Lenovo ThinkPad T14 Gen 3 and P14s Gen 3. Restore your ultrabook mobility with Grade-A cells and a 1-year warranty.
Product Specifications
| Battery Model: | L21M4P72 / SB10W51966 |
| Voltage: | 15.44V |
| Capacity: | 3405mAh / 52.5WH |
| Battery Type: | Li-ion |
| Cell: | Made in China, high quality guarantee |
| Color: | Black |
| Condition: | Replacement Battery (100% Brand New, 1-year warranty!) |
Replace Part Numbers
- L21M4P72
- SB10W51966
- 5B10W51865
Compatible Models
- Lenovo ThinkPad T14 Gen 3 2022 Series
- Lenovo ThinkPad P14s Gen 3 2022 Series
Expert FAQ for ThinkPad Owners
- Q: Why choose this L21M4P72 battery?
- A: Our batteries use Japan/Korea equivalent cells to ensure high cycle life and safe discharge rates, matching original ThinkPad performance.
- Q: Is this battery difficult to install?
- A: It is an internal battery. You will need to remove the bottom cover of your laptop to replace it. We recommend using a non-marring tool kit.