The BRTONG Professional Laptop Battery is a high-quality, sealed Li-Ion battery with a capacity of 5200 mAh, designed for universal compatibility with a focus on Toshiba Satellite laptops. The sleek black color adds a stylish touch to the overall design. This AC & DC battery is ideal for providing long-lasting power for your laptop, ensuring that you can work or play without worrying about running out of battery. Trust in the BRTONG brand for reliable and efficient power solutions for your computing needs.