12000mAh Rechargeable Battery for eufy Security S220 S230 S231 S330 E330 3-in-1 Video Smart Door Lock E31 and Smart Drop, T8520 T8520S T8520J11 T8531 E8531JY1 T8520T11 Security Smart Lock

Parameters: 3.7V-44.4Wh/12000mAh. Battery capacity of 12000mAh battery ensures that your security system runs uninterruptedly! Upgraded thickened battery cell, it can work in the temperature range of22°F to 158°F(-30℃ to 70℃).
Compatibility with Rechargeable S330 battery are Fully compatible with eufy Security S330/E330 3-in-1 Video Smart Lock, S230/S231/S220 Smart Lock，Smart Drop(T8790),Security Smart Lock Touch（T8520T11）,T8520 T8520S T8520J11 T8531 E8531JY1
Compatibility with eufy security S330 S230 S220 E330 3-in-1 Video Smart Lock, Smart Lock Touch & Wi-Fi (Black/Silver, Model T8520) and Smart Drop, Smart Delivery Box.