MSI Wind U100 U90 BTY-S11 BTY-S12 MS-N011 U100W-085NL series Replacement Laptop Notebook Battery P/N: BTY-S11 BTY-S12 3715A-MS6837D1 14L-MS6837D1 6317A-RTL8187SE TX2-RTL8187SE Come with a USB 2.0 SD Card reader