This laptop battery is specifically designed for Acer laptops, including models such as Aspire 5742, 5741, 5733, and 5750. It is a high-quality Li-Ion battery with a capacity of 5200 mAh, providing longevity and reliable performance. Compatible with various Acer TravelMate and Aspire models, as well as Gateway NV Series laptops, this black battery is a perfect fit for those in need of a replacement. With a manufacturer warranty of 3 years, you can trust in the durability and reliability of this AC & DC battery for your laptop.