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
Dyson V7 Battery 21.6V V7 Absolute V7 Motorhead Pro V7 Trigger V7 HEPA – Battery World
Amazon.com: Fancy Buying 4600mAh V7 Upgraded Li-ion Battery for Dyson V7 Absolute Motorhead Animal Trigger HEPA Car+Boat Fluffy SV11 Battery [ONLY Fit for V7 Series] Handheld Vacuum Cleaners : Home & Kitchen