The BTI Lithium Ion Notebook Battery is designed for Lenovo ThinkPad R60, R60e, T60, T60p, T61p, Z60m, Z61e, and Z61m series laptops. With a robust capacity of 7800mAh and an output voltage of 11.1V DC, this rechargeable battery ensures extended usage and reliability. Weighing approximately 1.25 lbs, it is smaller and lighter than traditional batteries, making it ideal for portable devices. The battery features 9 cells for enhanced performance and dependability, allowing you to work longer without interruptions. Enjoy the convenience of a long - lasting charge that keeps your notebook ready for use when you need it most.