Replaces OEM # C31N1905, 0B200-03580200 Fits: ASUS VIVOBOOK S13 S330, S13 S333, S13 S333JA, S14 M433, S14 S433, S14 S433FA, S14 S433FL, S15 S533, S15 S533EQ, S15 S533FA, S521FA, V533F, K533F Specs: 11.49V, 47WHR, 4090MAH, 3 CELL Brand New GreenTech replacement battery - 6 Month Replacement Warranty Each product has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety