Battery2go Rechargeable Battery 1500mAh For Dyson DC31 Animal, 917083-05, DC31, DC44 Animal, DC44, DC35, 18172-01-04 Capacity: 1500mAh / 33.3Wh Type: Li-ion Volts: 22.2V Size : 120.20 x 75.30 x 66.70mm Certificated with ISO9001, RoHS & CE