Li-ion 11.1V 6600mAh 1BTIZZZ0LV1 45K1274 45K1275 Replace Laptop battery for Lenovo Ideapad S10 S9 White Li-ion. 11.1V 6600mAh 9 cell White One year warranty , 30 Days Money back warranty Made from the highest quality cells Features 100% Brand New Battery Replacement Certified by CE