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Dyson 22.2V 8800mAh Fit TypeA or B Li-ion Vacuum Battery for Dyson DC35, DC45 DC31, DC34, DC44, DC31 Animal, DC35 Animal - AliExpress
Dutyone VKMMDHX 3000mAh 22.2V Type B Battery Replacement Dyson DC31 Type B Battery Replacement Compatible for Dyson Battery DC35 DC44 DC31
2Pack 22.2V 5.0Ah Battery for DYSON DC31 Animal Type B DC34 DC35 DC44 917083-01 Vacuum - Walmart.com