(Untested) The OEM Asus A41-X550A Laptop Battery X550C X550CA X550B X550VC X550D X550A SU5 is a high-quality Li-Ion battery designed for Asus laptops. With a capacity of 44WH and voltage of 15V, this black battery is compatible with models A41-X550A, ASUS A450 A550 F450 K450 K550 X450 X550 X550CA. It is a reliable replacement for your old or worn-out laptop battery, ensuring extended use and performance. Made by ACUDER and originating from China, this battery is a perfect fit for your Asus laptop needs.