This is a new Lenovo 0813006 battery for IdeaPad 120s-11 models.

This Lenovo 0813006 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty. This Lenovo 0813007 battery is rated 7.5 volts and 27 Whr/ 3650 mAh and will normally last 5-7 hours on a full charge.

You can expect about 2 hours to 4 hours of run time with this Lenovo 0813006 battery when new, depending on your energy use.