Dyson V11 Screw-In 25.2 Volt 3500mAh Li-Ion Replacement Battery Pack - Only Batteries
Amazon.com: [Type B] Upgraded 6.0Ah 22.2V DC35 Replacement Battery for Dyson Type B DC31 DC34 DC35 DC44 DC45 DC56 DC57 917083-01 Handheld Vacuum Cleaner [ONLY Fit for Dyson Type B] : Home
Fighting Back Against Dodgy Dyson Batteries | Hackaday
Dyson Battery Pack 6 Cell - SV11 (225403) 61NR18/65-1 Used with Cap | eBay