Discover the power of uninterrupted productivity with the BTI notebook battery, a high-quality power solution for your mobile computing needs. This battery, featuring a robust 4050 mAh capacity and 45 Wh energy storage, is designed to keep your notebook operational for longer periods, making it ideal for professionals and students alike. The 3-cell lithium-ion technology not only ensures reliability and consistent power delivery but also enhances your notebook's overall performance. With an output of 11.1 V, it matches the energy requirements of your device, providing efficient and stable power. Moreover, its precise compatibility with Lenovo 01AV446 models means you can expect a perfect fit and seamless functionality, eliminating the worries of power disruptions during critical tasks. Whether you're working on important projects, attending virtual meetings, or studying for exams, this BTI notebook battery is your reliable partner, ensuring that your device stays powered when you need it the most.