This 11.1V 4250mAh Li-Polymer battery is a compatible replacement for Lenovo 45N1121. Compare the number printed on your current battery, its voltage, chemistry, dimensions and connector before ordering.
Included: One replacement battery pack.
Current Estimated Delivery Date: 1-2 Weeks
Battery specifications
| Voltage | 11.1V |
| Capacity | 4250mAh |
| Chemistry | Li-Polymer |
| Energy | 47.18Wh |
| Dimensions | 204.24 x 122.60 x 6.90mm |
| Battery weight | 258g /9.10 oz |
Replacing your Lenovo 45N1121 battery
Compare the connector shape, wire arrangement and polarity with your original battery. Check all listed specifications; a similar model name or matching voltage alone does not confirm a fit.
Compatible equipment models
Lenovo ThinkPad T431s
Replacement battery numbers
Lenovo 45N1120, 45N1121, 45N1122, 45N1123, ASM 45N1122, FRU 45N1123, ASM P/N 45N1122, FRU P/N 45N1123