Amazon.com: Battery Replacement for V7, 21.6V 4600mAh Li-ion Battery Compatible with SV11 V7 Motorhead V7 Animal V7 Extra V7 Mattress V7 Absolute V7 Trigger V7 Allergy Vacuum Cleaners, 2 Filters Included :
Amazon.com: YMWLKJ DW20V7 for Dyson V7 Battery Replacement, Adapter with Trigger Lock, Convert for DeWalt 20V Battery to for Dyson V7 Battery, fit for Dyson V7 Absolute Animal Fluffy Motorhead HEPA SV11
Dyson V7 replacement battery 2 Ah - Royal Battery Sales