Original battery Lenovo ThinkPad 33++ designed for those looking for a reliable and perfectly compatible replacement for notebooks of the R and T series. It is a 9-cell battery with Li-ion technology, designed to offer extended autonomy and stable performance compared to standard batteries with less capacity. Ideal to replace a worn or not more efficient battery, this model is suitable for those who want to restore the portability of their ThinkPad without sacrificing the original quality Lenovo. The structure is designed to ensure direct mounting on compatible models, with battery codes and notebooks listed in your product card. Technology: Lithium ions. Cells: 9 cells. Voltage: 10.8V. Energy: 85 Wh Capacity: 7800 mah Autonomy: Exterior, thanks to the high capacity configuration Compatible Brand: For Lenovo Compatible Product Lines: For Thinkpad Compatible Models: For T61, R61, T400, R400 Simpletek Warranty and Assistance 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.