Asus X540 Battery Asus X540 Battery DescriptionThe Asus X540 battery is a dependable replacement unit designed to deliver consistent power and long-lasting performance for Asus X series laptops. Made with high-quality lithium-ion cells, it ensures efficient charging, stable output, and reliable durability. This battery is built to match or exceed OEM standards and integrates safety features such as overcharge, over-discharge, overheating, and short-circuit protection. The battery fits perfectly into Asus X540 laptops and compatible models, making it an excellent choice for replacing an aging battery or keeping a spare for uninterrupted productivity. Compatible Models Asus X540 Series (X540A, X540LA, X540LJ, X540SA, X540SC, X540YA, X540Y) Asus X541 Series (select versions) Asus R540 Series Asus R541 Series Compatible Part Numbers A31N1519 0B110-00440000 A31N1519(1ICP4/57/80)
