In those unexpected moments when your battery is depleted it’s important to have a back-up option. Arlo Ultra / Pro 3 Rechargeable Battery lets you swap out the existing rechargeable battery for a fully charged one. What’s Included: (1) Rechargeable battery (1) Window decal Arlo Privacy Pledge At Arlo, we’re as passionate about protecting your privacy as we are about safeguarding your home and family. We do not sell your data and are committed to supporting industry standards for data protection designed to keep your personal information private and in your control.