The product is a genuine Apple MacBook Pro Retina 13 A2159 A2289 A2338 2019/2020 battery, specifically designed for Apple devices. It is a Li-Ion battery with a capacity of 5103 mAh, suitable for models A2159, A2171, A2289, and A2338. The battery comes with a voltage of 11.41 V and has a manufacturer warranty of 1 year. It is a unit sold individually, made in China, and is compatible with various Apple MacBook models. This battery is a reliable and high-quality product for those in need of a replacement for their Apple laptop.