This is a new Lenovo ThinkBook 15 G4 battery. This ThinkBook 15 G4 battery is compatible with a wide variety of laptop models including the ThinkBook 14 G2, ThinkBook 14 G4, ThinkBook 15 G2, ThinkBook 15 G3 and ThinkBook 15 G4 models. Additional compatible models and battery part numbers are listed below.

This Lenovo ThinkBook 15 G4 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

This 3-cell lithium-polymer Lenovo ThinkBook 15 G4 battery is rated 11.5 volts and 45 Whr and will normally last 7 hours on a full charge.

You can expect about 8 hours of run time with this Lenovo ThinkBook 15 G4 battery when new, depending on your energy use.