For Lenovo T470 T480 internal Battery 01AV419 01AV420 01AV421 01AV489 SB10K97577

01AV421 01AV419 01AV420 01AV489 SB10K97576 SB10K97577 SB10K97578. For Lenovo ThinkPad T470 T480 A475 A485 TP25 (Anniversary Edition 25) Series. Take out the old battery, install the new battery on the battery box, tighten the screws, and connect the wires of the new battery.

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