Product Overview
The X220 replacement battery delivers 5600mAh / 63Wh (6 cells) or 8400mAh / 93Wh (9 cells) of power at 11.1V for the Lenovo ThinkPad X220, X220I and X220S series notebooks. It directly replaces FRU numbers 42T4899, 42T4900, 42T4942, 42T4872, 42T4865 and 42T4866, with cells made in Korea for high quality. Ships 100% brand new with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | 42T4899 / 42T4942 |
| Capacity | 5600mAh / 63Wh (6 cells), 8400mAh / 93Wh (9 cells) |
| Voltage | 11.1V |
| Battery Type | Li-ion |
| Cell | Made in Korea, high quality guarantee |
| Color | Black |
| Condition | Replacement Battery (100% Brand New, 1-year warranty!) |
| Warranty | 1-Year Warranty |
Replace Part Numbers
- 42T4899
- 42T4900
- 42T4942
- 42T4872
- 42T4865
- 42T4866
Compatible Models
- Lenovo ThinkPad X220 Series
- Lenovo ThinkPad X220I Series
- Lenovo ThinkPad X220S Series
FAQ
Which Lenovo ThinkPads does this X220 battery fit?
This battery fits the Lenovo ThinkPad X220 Series, X220I Series and X220S Series only. Before ordering, confirm that one of the FRU codes 42T4899, 42T4900, 42T4942, 42T4872, 42T4865 or 42T4866 is printed on your original battery label.
What is the difference between the 6-cell and 9-cell options?
The 6-cell version provides 5600mAh / 63Wh and sits flush with the chassis, while the 9-cell version provides 8400mAh / 93Wh and extends slightly beyond the rear edge for maximum runtime. Both run at 11.1V and fit the same X220 / X220I / X220S bays.
Is this X220 battery brand new and warranted?
Yes — it is a 100% brand new replacement with Korean-made Li-ion cells and is backed by a 1-year warranty. Installation is plug-and-play with a 1:1 OEM fit.