FUZADEL 2200mA Replacement Battery for Dyson DC44 DC31 Battery Cordless Vacuum DC44 DC35 DC34 Hand-held Vacuum Cleaner (Type i, Not DC44 MK2) DC35 Digital Slim,DC44 Animal 22.2v,2200mAh lithium ion extended battery for Dyson DC31 DC35 dc34 dc44(type i) Quality first, don't just compare the price,Top A grade battery cell,We promise money back within 30 days. Built in high quality battery cells,No effect on the battery,Charging at any time. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. 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. Please comfirm the battery version before you bought, The battery has two different versions,Type i and Type B, The same model with different interface,The battery we sold is the type i.please check the connector of your original battery