The Genuine 64Wh GRT01 Battery for Dell Precision 3470, 3561, Latitude 5421, and 5521 is a high-quality lithium-ion battery designed specifically for Dell laptops. With a capacity of 64Wh and 4 battery cells, this unit provides long-lasting power for your device. It comes in a sleek black color and is compatible with various Dell models such as the Precision 3581, 3470, and 3571, as well as the Latitude 5531, 5431, and 5521. The battery is backed by a 1-year manufacturer warranty and is manufactured in China, ensuring reliability and performance for your laptop.