A4a (VMA5400) Battery for Netgear Arlo Ultra, Ultra 2, Pro 3, Pro 4, Pro 5S
Replaces Arlo A4a (VMA5400). For Arlo Pro 3 (VMC4040P) / Ultra (VMC5040). Inbuilt into each Dot.Foto battery is a safety system which gives short circuit protection and prevents the battery from overheating.