Original Dyson battery. Equipped with an LED charge level indicator, this solution ensures you won't be caught off guard by unexpected downtime. Dyson batteries are manufactured using the highest quality cells. An intelligent battery protection system regulates the charging process, ensuring safety and protection for both the device and the user. The lithium-ion technology allows for repeated charging and discharging, as well as recharging at any time. capacity 2800 mAh, Li-lon