Upgraded 10500mAh Battery - Compatible with Eufy S330 3-in-1 Video Smart Lock, E330 Video Smart Lock, Smart Lock S230, Smart Lock E31 and Smart Drop, fits Part Number HB-S330
【Wide Compatibility】Fully compatible with Eufy E330, S220, S230, S231, S330 3-in-1 Video Smart Lock, Smart Lock Touch & Wi-Fi (Black/Silver, Model T8520) and Smart Drop, Smart Delivery Box
【Product Specifications】Volts:3.7V, Capacity:10500mAh/38.85Wh, Type:Li-ion, Size:76.00 x 59.00 x 21.00mm, Weight:170.0g, Type-c Fast Charging
【Buying Tips】Note: Please check the compatible model and the original battery number before purchasing.(Please search with "Ctrl+F",can find the Compatible want models)or Below find more compatible models in the product description
【Easy to Install】Install the battery within 2 minutes. You don't need to remove the smart lock from the door, just take out the battery to charge the battery. We have equipped your battery with a USB fast charging cable
【Superior quality】 High quality, no memory effect,battery replacement for is tested by professional tester under strict quality control standards, over temperature protection, over charging protection, over load protection, short circuit protection and safeguard protection. You can use Replacement Battery with confidence.