Replacement C31N1811 Laptop Battery for 13 14 UX433 UX433F UX433FA U433FN UX433FN UX433FL BX433FN RX433FN U4300 U4300F U4300FA U4300FN UX433FA-A6018T UX433FN-2B 3B Series 11.55V 50Wh