Amazon.com: 22.2V High-Output 4000mAh [Note: ONLY Fit Type B!] Battery for Dyson DC31 DC35 Type B, DC34, DC31 Animal, DC35 Animal, DC44 Animal, DC35 Exclusive, DC45 Handheld Vacuum Clearner (Only Fit Type
For Dyson DC31 DC35 Type B, DC44 Animal,DC34, DC35 Exclusive,DC45 4.0Ah Battery | eBay
Amazon.com: Powerextra 4.0Ah 22.2V Replacement for DC31 Battery Compatible with Type A DC31 DC34 DC35 DC44 Animal 917083-01 Handheld Vacuum (Not Fit All Type B Model, DC31 DC35 DC44 MK2) : Home
DC31 Type B Battery 22.2V 4000mAh Li ion Vacuum Battery for Dyson DC35 DC45 DC31B DC34 DC44 Animal DC56 DC57 (Only Fit Type B)| | - AliExpress
22.2 Volt 5.0Ah Battery or Charger For Dyson DC31 DC34 DC35 Type A Animal Vacuum | eBay