eufy Security Rechargeable Battery for eufyCam S4, S330/E330/S230 3-in-1 Video Smart Lock and Smart Drop -

10,000 mAh Capacity compliments each advanced feature. Get a second rechargeable battery pack for your eufyCam S4, eufy Security S330 3-in-1 Video Smart Lock, Smart Lock Touch & Wi-Fi(Black/Silver, model T8520), and SmartDrop, Smart Delivery Box. Quick Release Battery Pack: You don't have to take the smart lock off your door to recharge the battery. Rechargeable: Save you money and enjoy the convenience that single-use batteries never have.