HKM-830419 High-Capacity 4800mAh Camera Battery for Arlo Ultra (Model A-4A)Ensure your Arlo Ultra (Model A 4A) runs effortlessly with the HKM 830419 High Capacity 4800mAh Camera Battery. This essential accessory is designed to provide reliable, long lasting power, which is crucial for keeping your security system operational when you need it most. With an impressive 4800mAh capacity, this battery allows for extended monitoring periods. You can confidently observe your surroundings without the worry of running out of power.