0813007 5B10P23779 2ICP4/59/138 BSNO3558E5 2ICP4/58/145. Lenovo IdeaPad 120S Series, Ideapad 120S-14, Ideapad 120S-14IAP, IdeaPad 120S-14IAP-81A50093MH. Remove the old battery, carefully install the new battery on the battery box, tighten the screws, and then connect the wires of the new battery.
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