Asus UN5401RA original Battery 63Wh. Parts for laptops, batteries, adapters, and more. Original Asus battery suitable for Asus UN5401RA. Li-Polymer 11.61V / 63Wh - 5427mAh (typical), 5260mAh (rated) Quality criteria Compliant and certified to ReachG and RoHS Full compliance with battery law Safety tests according to UN38.3 passed.