This is a new 45N1089 battery for the ThinkPad T430u Ultrabook laptop. This 45N1089 battery uses the highest quality lithium-ion cells and components.

This ThinkPad 45N1089 battery is compatible with the Lenovo 45N1091 and 45N1089 battery part numbers. Additional compatible models and battery part numbers are listed below.

This Lenovo 45N1089 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

This 45N1089 battery is rated 11.1 volts and 47 Whr and will normally last 5-7 hours on a full charge.

You can expect about 6 hours of run time with this replacement Lenovo 45N1089 battery when new, depending on your energy use.