Replacement Netbook Battery for MSI laptop Wind U100/ BTY-S11, BTY-S12, 3715A MSI Wind Battery Type: Li-ion, 11.1V, 7200MAH, White Replacement Laptop Battery for MSI Wind U100, U100X, U90 Series Compatible Part Numbers: BTY-S11, BTY-S12, 3715A-MS6837D1, 14L-MS6837D1, 6317A-RTL8187SE, TX2-RTL8187SE