Genuine 11.4V 48Wh B31N1336 Laptop Battery is a high-performance replacement solution designed for ASUS Vivobook models including S551, R553L, K551LN, K551LB, and K551LA. Built with advanced Li-ion technology, this Wintonic brand battery ensures reliable and long-lasting power for your laptop in any working scenario. With a nominal capacity of 4210mAh, it delivers extended runtime for uninterrupted productivity, ideal for business, travel, and daily use. Certified with CE, RoHS, and UN38.3 standards, this battery guarantees safety and compliance for global markets. Backed by a 12-month warranty, it offers peace of mind and long-term value for your laptop power needs.More
