Technical data: 1500 mAh 22.2 volts High safety Due to integrated heat and overload protection 100% compatible with the original DC30 The battery is suitable for the following Dyson models: Dyson DC DC34, DC35 (Type (A) Description of the compatible original Battery: Dyson 91708301, 170832811, 170834211, 181720104, 17083-2811, 17083- 4211, 18172-01-04, 917083-01