L18L3P72 02DL021 SB10K97659 5B10W13927 SB10T83170 L18M3P72 02DL022 SB10K97660. Lenovo ThinkPad X390 Yoga, Lenovo ThinkPad X13 Yoga 1st Gen Series. If run the battery shut down often, it will shorten the battery life.
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