21.6V 8000mAh Replacement Battery for Dyson V7 V7 Animal V7 Extra V7 Trigger US - Walmart.com
Amazon.co.jp: Dyson V7 Battery, 4,000 mAh, Replacement Battery, Large Capacity, BUTURE V7, Fluffy, Absolute, Animal, Motorhead, Trigger+, Mattresss, Car Boat Vacuum Cleaner, PSE, CE Registered, Japanese Instruction Manual Included (English Language Not