This laptop battery is designed to ensure reliable performance and durability for your Lenovo IBM ThinkPad computers. With a capacity of 5200mAh, a voltage of 10.8V and an energy of 57Wh, it offers a prolonged runtime to support your daily needs of work and mobility. The battery is built with 6-cell Li-Ion technology, which ensures energy stability and protection against overloads and deep discharges. Ideal as a replacement for original batteries, this battery relides your laptop with renewed performance, restoring the mobility and autonomy you had initially. It is compatible with a wide range of ThinkPad models of R, T, W and SL series, making it a versatile solution for different devices. Voltage : 10.8V Capacity : 5200mAh Energy : 57Wh Battery Type : Li-Ion (Litio-Ione) Cell Number : 6 Cell Type : 41+ (6-Cell) Compatible Brand: Lenovo Compatible Product Lines: IBM ThinkPad Compatible models: many models of the R, T, W and SL Series Warranty and Simpletek Support Product assembled and tested by Simpletek technicians in Arezzo. Each unit is verified for quality and reliability. Included 1 year warranty on refurbished products and dedicated technical support. Simpletek - Italian quality since 2010. Products assembled and tested in Arezzo.