Li-ion 22.2V 1.5AH for Dyson DC31, DC34, DC35 - Vlad
Bonacell 22.2V 2200mAh DC31 ( Only Fit Type B ) Battery for Dyson DC31 DC35 DC44 DC45 Series Cordless Vacuum Cleaner Li ion L30|Replacement Batteries| - AliExpress
Bonadget Replacement 22.2V 4000mAh Li ion DC31 Type B Battery For Dyson DC31 DC31B DC35 DC44 DC45 Handheld Power Tool Battery|Replacement Batteries| - AliExpress
Amazon.com: Jialitt 22.2V Replacement Dyson DC35 Battery for Dyson DC31 DC34 DC35 DC44 917083-01 Handheld Vacuum (Not Fit Type B, DC44 MK2) : Home & Kitchen
Dyson DC31 / DC31 Animal Replacement 22.2V Vacuum Type A Battery - DYC311VX - Walmart.com