For DC31, DC35 type B, DC44 Animal, DC45, DC31, DC31 Animal, DC34, DC35, DC35 Animal, DC35 Exclusive. Type B Vacuum Cleaner Battery for DC31 DC34 DC35 DC44 Animal DC45. Works with Dyson Handheld Vacuum Cleaner DC31, DC31 Animal, DC31 Animal Exclusive DC34 DC44 (Not Fit Type B, DC44 MK2).