Amazon.com: TURPOW 6000mAh Replacement for Dyson DC35 Battery Type A 22.2V, Compatible with DC31 DC34 DC44 DC45 Animal 917083-01 Handheld Vacuum Cleaner (NOT FIT Type B DC31 DC34 DC35 DC44 MK2) :
Dyson DC44 - Removing & washing the Filter - An owners guide - Digital Slim DC44 DC59 DC45 Animal - YouTube
Amazon.com: TPDL DW31B Adapter for Dyson 21.6V Type-B DC31 DC34 DC35 DC44 DC45 Vacuum Cleaner, Convert for Dewalt 20V Lithium Battery to for Dyson DC31 DC45 Animal Handheld Cordless Vacuum (Only Fit
Dyson DC44, DC45 Animal Handheld Main Body, 926036-05