21.6V 4.0ah Li-ion Battery with LG Cell for Dyson V7 Series Sv11 V7 Motorhead Fluffy V7 Animal V7 Trigger V7 PRO Vacuum Cleaner Custom Li-ion Battery - China Vacuum Cleaner Battery, Lithium Ion Battery | Made-in-China.com
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: 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