【Specifications】Battery type : Li-ion ;Voltage: 11.52V. Capacity:42Wh/3653mAh . Battery life: Up to 500 recharge cycles over the life of the battery. 【Replace Part Number】B31N1822 0B200-03220000 . 【Compatible Model】For Asus ZenBook Flip 14 UM462DA UX462 UX462D UX462DA-2G UX462DA Series Notebook. 【Quality Assurance】CE / FCC / RoHS Certified for safety. New from manufacturer, every battery has passed factory testing, grade A cells ensure fast charges and low power consumption, built-in circuit protection ensures both safety and stability. 【Warranty】30 Days Money Back And 12 Months Exchange Guarantee. if you have any issues, questions or concerns.CONTACT US.We are friendly Customer Support Experts. Please contact through "Your Orders" tab in Amazon account ,we promise to resolve the problem within 24 hours.