Tips: Please check carefully about your laptop model name/battery part number/battery shape and size to make sure you purchase the correct battery.
Specification:
Battery type: Li-ion
Voltage: 11.1V (Compatible with 10.8V)
Capacity: 4400mAh
Cell:6 Cells
recharge cycles: 500
Operation time: Around 2-3 hours
Compatible Models:
NOTE: Not fit into the x220 tablet or x230 tablet.
Fit Laptop Models:
FOR LENOVO ThinkPad X220 X220i X220s X230 X230i X230s Series
FOR LENOVO ThinkPad X220 Series
FOR LENOVO ThinkPad X220 type 4287
FOR LENOVO ThinkPad 4287-3KU 4287-2WU 4287-2VU 4287-42U 4287-43U 4287-57U 4287-67U 4287-5UU 4287-5TU
FOR LENOVO ThinkPad X220 type 4290
FOR LENOVO ThinkPad 4290-2WU 4290-2XU 4290-37U 4290-36U 4290-35U 4290-34U 4290-33U 4290-32U 4290-2ZU 4290-4XU 4290-4FU 4290-48U 4290-47U 4290-46U 4290-45U 4290-44U 4290-43U 4290-42U 4290-5HU 4290-5FU 4290-5EU
FOR LENOVO ThinkPad X220 type 4291
FOR LENOVO ThinkPad 4291-33U 4291-32U 4291-2ZU 4291-2YU 4291-2XU 4291-2WU 4291-2VU 4291-2UU 4291-48U 4291-47U 4291-46U 4291-45U 4291-43U 4291-44U 4291-42U 4291-4XU 4291-5EU
FOR LENOVO ThinkPad X220i type 4286 4287 4286-2AU 4287-2UU 4287-3ZU
FOR LENOVO ThinkPad X220i Series
FOR LENOVO ThinkPad X220s Series
For Lenovo ThinkPad X230 Series
For Lenovo ThinkPad X230i Series
For Lenovo ThinkPad X230s Series
How to confirm that the battery is suitable for your laptop?
Method 1: Use System Information to find your laptop model
Step 1: Press Windows + R to open Run window.
Step 2: Input "msinfo32" in the empty box and click OK to open System Information.
Step 3: Keep in the System Summary section, and you will find the System Model item in the right pane.
Method 2: Remove Battery from Laptop to find your laptop battery part number
Step 1: Switch off the laptop and unplug the power cable in case of electric shock
Step 2: Remove the back panel with the screwdriver. You should to this with care avoiding any harm to the laptop components.
Step 3: Disconnect the cable connected to the battery and then take out the battery. After that, you can check the specifications of your battery.