V7 Series Li-ion 3000mAh/21.6V Plus.Parts High Capacity Battery for Dyson
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
Upgraded 21.6V 4600mAh (4.6Ah) Battery for Dyson V7(NOT fit other models!) - Fit V7 Absolute, Animal, HEPA, Trigger, Motorhead, Pro Vacuum Cleaner Battery - Walmart.com
Amazon.com: Dyson Battery for V7 Units, Part No. 968670-06 : Home & Kitchen