Imported from USA store
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Ensure continuous operation and maintain your home security without interruptions with our high-capacity 10500mAh battery.
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Brand | PWRTank |
| Model Number | T8520 |
| Model Name | T8520 |
| Manufacturer | PWRTank |
| Built-In Media | Battery pack |
| Compatible Phone Models | Eufy Security Smart Door Lock models: S330, E330, S230, S231. Also compatible with SmartDrop T8790 and Smart Delivery Box models: T8520, T8520S, T8520J11, T8531, E8531JY1, T8520T11. |
| Voltage | 3.7 Volts |
| Reusability | Rechargeable |
| Battery Capacity | 10500 Milliamp Hours |
| Unit Count | 1.0 Count |
| Battery Weight | 230 Grams |
| Item Dimensions | 2.99 x 2.32 x 0.81 inches (7.6 x 5.9 x 2.1 cm) |
| Antenna Location | Eufy Security Smart Door Lock models: S330, E330, S230, S231. Also compatible with SmartDrop T8790 and Smart Delivery Box models: T8520, T8520S, T8520J11, T8531, E8531JY1, T8520T11 |
| Battery Cell Type | Lithium Ion |
| Battery Cell Composition | Lithium Ion |
| Recommended Uses For Product | Eufy Security Smart Door Lock models: S330, E330, S230, S231. Also compatible with SmartDrop T8790 and Smart Delivery Box models: T8520, T8520S, T8520J11, T8531, E8531JY1, T8520T11 See more |
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Ideal for homeowners with Eufy smart locks needing reliable battery replacements for security and convenience.
Perfect for users of Smart Delivery Boxes who need uninterrupted functionality for their home deliveries.
Beneficial for tech-savvy individuals looking to keep their smart devices running on a long-lasting battery.
Not suitable for users looking for cheaper alternatives as it may be priced higher than generic options.
Incompatible with users who do not own Eufy devices, making it unnecessary for them.
Users with infrequently used smart devices may find this battery too powerful for their occasional needs.
Replacement Battery for Eufy Security S330 S230 E330 S231 Video Smart Door Lock, SmartDrop T8790, Smart Delivery Box T8520 T8531, 10500mAh 3.7V
Share your thoughts with other customers
“The product received very good packaging & safe…Thank You”
“Accurate delivery timing given”
“Not madly expensive like I thought, and much quicker than promised.”
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
Currently unavailable.
We don't know when or if this item will be back in stock.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.
