22.2V 5000mAh DC34 Battery Compatible with Dyson Type B DC31 DC34 DC35 DC44 DC56 DC57 Handheld Vacuum Cleaner - Not fit Type A : Amazon.ca: Home
ZEYXINH 22.2V 4000mAh Replacement Battery for DC34 DC35 DC31 DC31 Animal DC31 Animal Exclusive DC44 DC45 17083-2811 17083-4211 17083-04 18172-01-04 917083-01 Li-Ionen Battery Vacuum (Only for Type B) : Amazon.ca: Electronics
TURPOW 22.2V 4000mAh DC34 Replacement Battery (Type B) for Dyson Type B DC31 DC34 DC35 DC44 DC45 DC56 DC57 917083-01 Handheld Vacuum Cleaner [ONLY Fit for Dyson Type B] : Amazon.ca: Home
Dyson DC44 fix, not charging also DC31, DC34, DC45 - YouTube