Amazon.com: FORMIKO Upgraded 5.0 Ah 21.6V Replacement Battery for V7, Compatible with Dyson V7 Animal, Motorhead, Absolute, Trigger, Fluffy, HEPA, Car+Boat & SV11, Cordless Vacuum Original Li-ion Battery Pack : Home &
Amazon.com: YAGU Replacement Battery for Dyson V7 for V7 Motorhead Pro V7 Trigger V7 Car+Boat V7 Animal with 1 Post HEPA Filter and 1 Pack Pre Filter : Home & Kitchen
Replacement Dyson V11™ batteries
Battery For Dyson V7 Animal - Rechargeable Batteries - AliExpress