This brand new Samsung M40 laptop battery features lithium-ion cells. This Samsung M40 battery also replaces the Samsung M40 X15 X20 X25 X30 X50 series.

This battery is rated 11.1 volts and 5200 mAh and will normally last about 3 hours on a full charge. You can get longer battery life by dimming your screen and closing unused programs. This Samsung M40 laptop battery is 100% compatible with the original battery specifications and is individually tested and backed by a 1 year warranty.

You can expect about 2 hours to 3 hours of run time with this Samsung M40 battery when new, depending on your energy use.