Get up to 6 hours of battery lifeWith Lenovo ThinkPad T61 laptop batteryAnd the new R61.The battery is made of high quality materials to ensure durability and high qualityThe battery was manufactured using lithium-ion technology, which is the latest in the world of batteries and is used very widely in laptop computers because it is characterized by its light weight, high discharge rates and provides sufficient high current to operate the device with high efficiency, and is characterized by a very high energy density. In addition, it does not It suffers from memory effect, and safety and security factors have been taken into account; So the battery comes with special protection circuits.The battery has a high capacity of 5200 mAh, which ensures that the largest amount of electrical energy is stored for an optimized use for a long time.The battery comes with a voltage of 10.8 volts, which reflects the battery's ability to charge very efficiently.The battery consists of 6 cells, which ensures that the device can be used for a longer time with high efficiency.This battery is compatible with the widescreen version14 inch Lenovo ThinkPad T60 laptopsand T61, R60, R61, T400, and R400. Lenovo modelsCompatible additional battery part numbers are listed below.This battery replaces the Lenovo ThinkPad T61 and IBM ThinkPad R61 14.1" widescreen series. Including type 7732, 7733, 7734, 7735, 7736, 7737, 7738, 7742, 7743, 7744, 7751, 7753, 7754, and 7755 series laptop batteries and additional machines which are listed at the extreme bottom of this web page. Also replaces the IBM ThinkPad laptop batteries.