Specifications:

• Model: 01AV421 01AV419 01AV420 01AV489 battery

• Rating: 11.4V

• Capacity: 24Wh 2100mAh

• Battery Cell: A+ 3-cell

• Battery Type: Rechargeable Lithium-ion Battery

• Condition: New

The battery is an internal battery, you should remove your laptop back case to replace it with screwdrivers, if you need the external battery for Lenovo ThinkPad T470 T480 A475 A485 TP25 series laptops,please contact customer service to help you inquire.

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Compatible Laptop Models:

01AV421 01AV419 01AV489 SB10K97577 SB10K97576 SB10K97578 01AV420

Compatible Part Numbers:

• Fit for Lenovo ThinkPad T470 Series

• Fit for Lenovo ThinkPad T480 Series

• Fit for Lenovo ThinkPad A475 Series

• Fit for Lenovo ThinkPad A485 Series

• Fit for Lenovo ThinkPad TP25 (Anniversary Edition 25) Series

laptop battery instruction:

1. First check if the battery is the same size as your original battery after receiving it. When installing the battery, pay attention to whether the battery cable is fixed. If the battery cable is not installed correctly, the battery may not be charged.

2. If you use the battery for the first time after installing the battery, please do not charge the battery immediately, first use the battery to 10-20%, and then charge the battery, and cycle charging 5-6 times to activate the maximum use of the battery space.

3. We recommend that you search for battery removal tutorials on the Internet in advance, or seek help from a professional technician. We won't responsible for any damage due to improper operation.