Keep Recording During Blackouts: Even when the power is out, eufy Backup Battery keeps your eufy outdoor security camera running at full strength. Eight Hours of Power: eufy Backup Battery is long-lasting, ensuring that your eufy Security system keeps running until the power company gets the lights back on. Compatible with eufy HomeBase 2: No matter what happens, eufy Backup Battery powers HomeBase 2 to always keep your eufy Security system protecting your home. Just Plug In: The extra battery is easy to install with a simple plug-in concept, allowing you to focus on your family when it matters most. Small Enough to Store Anywhere: The compact design means you can put eufy Backup Battery on the kitchen counter or shelf without it being a distraction.