Asus B32-S1 replacement battery by Battery Standard.com is designed for use with the C23, S1, and S1000 series laptop models. This 6 cell Lithium Ion battery is designed to replace OEM part numbers: 150A108, 70-N5V1B0101P, 70R-N5V1B0300, 90-N8A1B2010, ASUS-S1BTY, B32-S1, PWBP001/S1, SL-S1AMO.