Original Dyson battery. Equipped with an LED charge level indicator. Thanks to this solution, you will not be surprised by an unexpected break from work. The best quality cells are used to produce Dyson batteries. The intelligent battery protection system regulates the charging process, ensuring safety and security for the device and the user. The lithium-ion technology used allows for multiple charging and discharging, as well as recharging at any time. capacity 2800 mAh, Li-lon