This is a brand new Lenovo 5B10M49821 battery for the IdeaPad 520s-14iKB. It also replaces the Lenovo 5B10M49821 and L15C3PB1 battery part numbers. Don't see your part or model number? Go to our Lenovo battery page for the full list. Or give us a call. Chances are we have your battery in stock!

This Lenovo ASM-FRU 5B10M49821 battery features the highest quality lithium-ion cells. This IdeaPad 520s battery is rated 11.4 volts and 4645 mah and will normally last 4-6 hours on a full charge.

This Lenovo 5B10M49821 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

You can expect about 4 hours to 6 hours of run time with this Lenovo IdeaPad 5B10M49821 battery when new, depending on your energy use.