S26391-F495-L100 FMVNBP186 FPCBP250. LifeBook LH52/C LifeBook LH520 LifeBook LH530. For Fujitsu LifeBook A531 LifeBook AH530 LifeBook AH531. LifeBook PH521 LifeBook A530. If run the battery shut down often, it will shorten the battery life.
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