Laptop Battery X240 for Lenovo

Replace Part Numbers:
45N1108 45N1109 45N1110 45N1111 45N1112 45N1113 121500144 121500143

Compatible Laptop Models:
For Lenovo ThinkPad X240X240S X230S X250 X260 X270 T440 T450 T450S Seires
Installation and usage instructions:

1. Before replacing the battery, be sure to turn off the power first and then remove the charger plug. Replacing the battery during the startup process may pose a safety hazard.
2.After removing the original battery, press the power button continuously for 10 seconds without releasing it. Release the remaining power and static electricity on the motherboard before replacing the new battery.
3. Before installing a new batter
y, confirm the positive and negative poles of the battery, especially the built-in battery, and be careful not to plug it in incorrectly.

Regarding Capacity:

Lithium batteries are consumables, and it is normal for their capacity to fluctuate by around+5% due to factors such as inventory time and usage environment.