SPECIFICATION : Model Name: C21N1518 Voltage: 7.6V Capacity: 38Wh 5000mAh Condition: 100% NewBattery life: More than 1000 cycles. COMPATIBLE P/N:C21N1518 C21PQ91 0B200-01850000M Compatible Laptop Models ：for Asus for VivoBook Flip TP501UB TP501UA TP501UQ Series C21PQ91 0B200-01850000M Compatible Laptop Models For: C22N2107, 0B200-04160000. Compatible Laptop Models For: for ZenBook 14 UM3402 Series, including but not limited to: Compatible Laptop Models For: UM3402, UM3402Y, UM3402YA, UM3402YAR, UM3402DA, UM3402MA Compatible Laptop Models For: UM3402YA-AOG58031WS, UM3402YA-BS51-CB, UM3402YA-DB74T, UM3402YA-DS71, UM3402YA-KM061W, UM3402YA-KM063W, UM3402YA-KM067W, UM3402YA-KM069W, UM3402YA-KM074W, UM3402YA-KM091, UM3402YA-KM096W, UM3402YA-KM115W, UM3402YA-KM511WS, UM3402YA-KP095W, UM3402YA-KP101W, UM3402YA-OLED, UM3402YA-OLED063W, UM3402YA-716512B0W UM3402YAR-BS51T-CB, UM3402YAR-DS71T-CA Compatible Laptop Models For: for ZenBook 14 UX3402 / UX4302 Series, including but not limited to: Compatible Laptop Models For: UX3402, UX3402ZA, UX3402VA, UX3402QA, UX4302ZA Compatible Laptop Models For: UX3402ZA-DS71T, UX3402ZA-KM020W, UX3402ZA-KM022W, UX3402ZA-KM023W, UX3402ZA-KM064W, UX3402ZA-KM377W, UX3402ZA-KM382W, UX3402ZA-KM531WS, UX3402ZA-KM731WS UX3402VA-0082B1360P, UX3402VA-KM004W, UX3402VA-KM005W, UX3402VA-KM064W, UX3402VA-KM108W, UX3402VA-KM157W, UX3402VA-KM168W, UX3402VA-KM208W, UX3402VA-KM209W, UX3402VA-KN158W, UX3402VA-KP147W Compatible Laptop Models For: for ZenBook 14 Flip OLED UP3404 Series, including but not limited to: Compatible Laptop Models For: UP3404VA, UP3404VA-DS54T, UP3404VA-0033B1360P Compatible Laptop Models For: UP3404VA-KN026W, UP3404VA-KN055W, UP3404VA-KN058W, UP3404VA-KN060W, UP3404VA-KN089W, UP3404VA-KN117W, UP3404VA-KN139W UP3404VA-KN596WS, UP3404VA-OLED-B7002W Compatible Laptop Models For: for ZenBook 14 OLED Q409ZA Series, including but not limited to: Compatible Laptop Models For: Q409ZA, Q409ZA-EVO.I5256BL