The Lenovo ThinkPad battery 47+ allows you to increase the capacity of your 4-cell system battery on selected models or extend your unplugged computing time by carrying a spare. It is compatible with the X200 and X201 systems, and the design allows it to be in a system connected to the ThinkPad X200 UltraBase. The 6-cell, rechargeable battery utilises advanced Lithium Ion (Li-Ion) technology to create an efficient and balanced power source. The current is 10.8 volts and 5.2 ampere hours. The over-discharge protection safeguards against incorrect voltage and ensures a safe flow of power.
*Battery life varies due to many factors. These include: applications, battery conditioning, features, power management, screen brightness and other customer preferences. For more battery life information, go to lenovo.com/alldaycomputing.