Dyson battery pack disassembly for replacement 다이슨 배터리 분해 - YouTube
Dyson Handheld Problem & Fix - YouTube
YABER Dyson DC34 DC35 4500mAh Replacement Battery for Type B Dyson DC31 DC34 DC35 DC44 DC45 17083-04 917083-01 17083-2811 18172-01-04 17083-4211 (Only Fit for Type B Screw-Fixing, Not for Type A) : Amazon.co.uk: Home & Kitchen
Bonadget Ersatz 22,2 V 4000mAh Li Ion DC31 Typ B Batterie Für Dyson DC31 DC31B DC35 DC44 DC45 Handheld werkzeug Akku|Replacement Batteries| - AliExpress
How to repair Dyson DC-31 Battery Charger - YouTube