This is a new Lenovo 5B10T83738 battery for the Lenovo IdeaPad S740-15IRH series that features the highest quality lithium-ion cells and components.

This Lenovo 5B10T83738 battery is compatible with the IdeaPad S740 and Yoga C940. Additional compatible Flex 5 models are listed below.

This Lenovo 5B10T83738 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

This 4-cell lithium-polymer Lenovo 5B10T83738 battery is rated 15.36 volts and 4500 mAh and will normally last 7 hours on a full charge.

You can expect about 2 hours to 4 hours of run time with this Lenovo 5B10T83738 battery when new, depending on your energy use.