Arclyte's Acer laptop battery is designed to be 100% compatible with your Acer laptop with part number(s)3UR18650Y-2-QC261; BATEFL50L6C40; BATEFL50L6C48; BT-00907-003; BT.00603.006; BT.00603.010; BT.00603.025; BT.00603.030; BT.00604.001; BT.00604.004; BT.00604.012; BT.00903.007; LC.BTP00.001; LC.BTP00.002; LC.BTP01.006; LIP6220QUPC; LIP6220QUPC SY6 . Our laptop batteries use only premium lithium Li-ion and Li-Polymer cells which offer quality, longevity, and safety. This battery is guaranteed to fit properly and will meet the performance standards of the original. If you are not satisfied, contact your reseller within 30 days to send the battery back for a refund. For more information please visit Arclyte.com.