Yale Linus L2 Rechargable Battery packEnsure uninterrupted security and convenience with the Yale Battery Pack. This powerful rechargeable battery offers long-lasting performance for your Yale Linus® Smart Lock L2. With low battery alerts and status indicators in the Yale Home app. you'll never get locked out.Designed for the Yale Linus® Smart Lock L2Works with the Linus® L2 to ensure you never run out of charge. Keep one battery in your lock and a fully charged back up.Peace of MindStay in control and enjoy the peace of mind that comes with a smart lock that's always ready to meet your security needs. Elevate your smart home experience with the Yale Linus® Smart Lock L2 and its powerful rechargeable Yale Battery Pack.The Yale Home AppConnect and control all your Yale smart products from a single app: Smart Locks. Smart Indoor Cameras. Smart Outdoor Cameras. Smart Video Doorbell. Smart Alarm. Smart Storage solutions and Smart Gate & Garage Opener.