Amazon.com: ARyee 22.2V 4.0Ah Dyson Battery Replacement Compatible with Dyson DC31 DC34 DC35 DC44 Animal 917083-01 17083-2811 18172-01-04 17083-421 Dyson Vacuum Cleaner Battery(Only Fit for Type A) : Home & Kitchen
Amazon.com: JJXNDO DC34 Type B Baterry Adapter for Dyson DC35 DC34 DC31 DC56 DC57 DC44 Type B Handheld Vacuum Cleaner, Converter for Dewalt 20V Li-ion to Replace for Dyson Type B Battery[ONLY