Genuine Dyson V7 SV11 HH11 Replacement Battery Pack Power Charger. Brand new, genuine original Dyson replacement battery pack for V7, HH11 and SV11 handheld vacuum cleaners. Specifications: 21.6 Volts -- Capacity: 2100mAh -- 46Wh. Height: 120mm (Approx'), Width: 80mm (Approx'), Depth: 130mm (Approx'). Rechargeable Li-Ion. Includes 3 x screws to securely fit to your vacuum. For use only with Dyson V7, SV11 or HH11 charger (***will not work with any other Dyson chargers***). Instructions Included. Fits models: DYSON V7 Series, HH11 Trigger UK Ir/SNk/Ir 231825-01 (Iron/Sprayed Nickel/Iro.).