LENOVO Internal Battery for ThinkPad T440 X230s X240 S440 S540

LENOVO 45N1113 Designed for exact compatibility with LENOVO product, LENOVO accessories ensure maximum performance, longevity and ultimate cost-effectiveness. LENOVO accessories are an integral part of the fundamental design of its main products, combining with other key elements of their design to deliver optimum durability, reliability and quality. For travel or backup, choose an extra rechargeable battery for your backup. Stay connected more with the help of a spare ThinkPad system battery or replacement, allowing more use of your laptop when you can not plug for power.