The BTI notebook battery from Battery Technology is a high-quality power solution for your mobile computing needs. It features a robust 4050 mAh capacity and 45 Wh of energy, ensuring that your notebook remains powered for longer periods. The battery is built with advanced lithium-ion technology, which not only provides a stable 11.1 V output but also balances high performance with durability. With its 3-cell design, it is engineered to offer reliable power, making it an ideal choice for professionals and students alike. Additionally, its compatibility with Lenovo 01AV445 notebooks ensures a perfect fit and seamless operation, ensuring that your device is always ready for any task.