Replacement C31N1911 / B31N1911 Battery for ASUS VivoBook Flip 14 & VivoBook 14 — TP420IA TP420UA TP470EA TP470EZ X413JA X421DA X421EA X421EP X421EQ X421FA X421FF X421FL X421FP X421FQ X421IA X421JA X421JP X421JQ X421UA

Replacement battery C31N1911 (B31N1911) designed for select ASUS VivoBook models. Compatible with VivoBook Flip 14 series: TP420IA, TP420UA, TP470EA, TP470EZ. Also fits VivoBook 14 series: X413JA, X421DA, X421EA, X421EP, X421EQ, X421FA, X421FF, X421FL, X421FP, X421FQ, X421IA, X421JA, X421JP, X421JQ, X421UA. Use this unit to restore power to the listed ASUS notebooks — exact fit for the specified model numbers.