22.2v,2200mAh lithium ion extended battery for dyson Dyson DC31 DC35 dc34 dc44(type i)
Built in high quality battery cells,No effect on the battery,Charging at any time.
Provides Optimized Performance and Overload Protection Using Total Offers Long Lasting Performance and Durability
Charging at any time have no effect on the battery
100% Compatible with original manufacturer equipments and chargers.