This is a new 02DL021 Battery. This 02DL021 Battery is compatible with the ThinkPad X13 Yoga Gen 1 and ThinkPad X390 models. Additional compatible models are listed below.

Note: This 02DL021 battery is ONLY COMPATIBLE with the X13 Yoga Gen 1 model. IT IS NOT COMPATIBLE with the Lenovo ThinkPad X1 Yoga 3rd Gen model or X13 Yoga Gen 2 model. Here you can find the ThinkPad X1 Yoga 3rd Gen battery and here you can find the ThinkPad Yoga X1 Gen 2 battery.

This Lenovo 02DL021 Battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

This Lenovo 02DL021 battery is rated 11.5 volts and 49 Whr and will normally last 7 hours on a full charge.

You can expect about 6 hours of run time with this Lenovo 02DL021 Battery when new, depending on your energy use.