Are you looking for a way to stay mobile for longer? The LAC-52OEM is an OEM Acer Lithium Ion rechargeable battery pack specifically designed to work in Acer Aspire 7000, 7100, 9300, 9400 and many other series notebook computers. .The BTP-BCA1 is designed to replace OEM part numbers: BTP-BCA1, LC.BTP01.013, LIP-6198QUPC, LIP-6198QUPC SY6, MS1295.