- Home Page /
- Electronics /
- Security & Surveillance /
- Home Security Systems /
- 12000mAh Rechargeable Battery for eufy Security S220 S2...
0 ratings
Item #:
174645003
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
Item #:
174645003
AUD 69
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Sunday, September 13
Secured transaction
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.
Our Top Logistics Partners
12000mAh ultra-large capacity rechargeable battery ensures long time continuous operation.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Capacity
With a massive 12000mAh capacity, this rechargeable battery ensures extended usage for Eufy Security devices, reducing the need for frequent recharging and enhancing convenience for users.
Compatibility
Designed specifically for Eufy Security S-series and T-series devices, this battery guarantees seamless integration, maximizing performance and reliability for security applications in homes.
Eco-Friendly
Offering a rechargeable solution, this battery not only saves money but also minimizes electronic waste, making it an environmentally friendly choice for sustainable living.
Product Details
| Number of Batteries | 2 A batteries required. |
| Brand | Fancy Buying |
| Model Number | T8520S |
| Model Name | T8520S |
| Manufacturer | Dongguan Lewe Electronics Co., Ltd |
| Included Components | Battery |
| Battery Capacity | 12000 amp_hours |
| Item Dimensions | 3.94 x 2.83 x 1.57 inches (10 x 7.2 x 4 cm) |
| Antenna Location | Smart door lock |
| Battery Cell Type | Lead Acid |
| Battery Cell Composition | Lead Acid |
| Recommended Uses For Product | Smart door lock |
| Package Weight | 2.53 Pound |
Dangerous Goods
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.
What's in the box
Battery
Who Should Buy?
-
Home Security Enthusiasts
Ideal for users prioritizing continuous operation of smart door locks without frequent battery changes.
-
Frequent Travelers
Convenient for individuals who travel often and need a reliable battery solution for their home security devices.
-
Tech-Savvy Users
Perfect for those who enjoy integrating advanced technology for enhanced security measures in their homes.
-
Minimalist Users
Not suitable for users preferring simpler, battery-free security options without the need for frequent charging.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What devices are compatible with the 12000mAh Rechargeable Battery?
Answer: The 12000mAh Rechargeable Battery is specifically designed for use with various Eufy Security devices. This includes the S220, S230, S231, S330, E330 3-in-1 Video Smart Door Lock E31, as well as Smart Drop models T8520, T8520S, T8520J11, T8531, E8531JY1, and T8520T11. Compatibility ensures optimal performance, allowing you to maintain secure access to your home while enjoying features like remote locking and real-time notifications. -
Question:
How long does the battery last on a full charge?
Answer: The 12000mAh Rechargeable Battery provides extended usage time due to its high capacity, often lasting weeks to months depending on usage patterns. For instance, frequent access via smart locks might drain the battery faster than when it’s used only for basic monitoring. Users can monitor battery levels through the associated app, ensuring they're always informed of its status and ready for action. -
Question:
Can I use this battery with other Eufy products?
Answer: While the 12000mAh Rechargeable Battery is optimized for specific Eufy Security models, it is not universally compatible with all Eufy products. It’s advisable to check the product specifications and model numbers to ensure compatibility. By using the correct battery, users can maximize the lifespan and efficiency of their devices, resulting in better performance overall. -
Question:
How do I recharge the 12000mAh battery?
Answer: Recharging the 12000mAh battery is straightforward. Simply connect the battery to a compatible USB charging cable and plug it into a power source. The LED indicator will display the charging status, ensuring you're aware when it’s fully charged. This feature is particularly useful for users who may want to top up the battery during non-peak hours to ensure their security devices remain operational throughout the day. -
Question:
What makes this battery a good choice for security devices?
Answer: This battery stands out due to its high capacity and reliability, which are essential for security devices that need to be operational at all times. With a robust performance, it ensures that your smart locks and security systems remain functional even during power outages. This reliability is crucial when every moment counts in securing your home. -
Question:
Is it safe to leave the battery plugged in continuously?
Answer: Yes, the 12000mAh Rechargeable Battery is designed with built-in safety features to prevent overcharging. This means you can keep it plugged in without concerns for battery life or performance degradation. A continuous charge allows for uninterrupted operation of your Eufy devices, making it an ideal choice for users who prioritize home security. -
Question:
What should I do if the battery won’t charge?
Answer: If your 12000mAh battery is not charging, first check the charging cable and port for any damage or debris. Ensure the battery is properly seated in the charging station and try a different power source if possible. If the problem persists, it might indicate a deeper issue with the battery or the device; consulting the user manual or reaching out for support would be advisable in such cases. -
Question:
How can I extend the battery life of my rechargeable battery?
Answer: To extend the life of your 12000mAh rechargeable battery, consider adjusting the settings of your Eufy security devices to optimize power usage. For instance, limiting notifications or reducing the frequency of video recordings can help conserve energy. Regular maintenance and charging it before it fully drains can also significantly prolong its lifespan, ensuring it provides reliable performance when needed. -
Question:
Where can I buy the 12000mAh Rechargeable Battery?
Answer: You can purchase the 12000mAh Rechargeable Battery for Eufy Security models through Ubuy in Nauru. Ubuy offers a diverse selection of electronic products, and this battery is among their offerings. By shopping through Ubuy, you can ensure that you’re acquiring the right battery to meet your security needs, backed by reliable service.
Fancy Buying Home Security Systems T8520S Editorial Review
** Fancy Buying 12000mAh Rechargeable Battery** The Fancy Buying 12000mAh Rechargeable Battery presents an attractive upgrade for users of eufy smart door locks and security devices. Designed to replace the original battery with a higher capacity of 12,000 mAh compared to the OEM’s 10,000 mAh, this product aims to enhance user experience by providing longer intervals between charges, which is particularly beneficial for security devices that require Consistent power supply. Users have found the installation process to be seamless, as the battery's physical dimensions mirror that of the OEM product, allowing for easy integration without any issues. The inclusion of a USB Type-C charging port is a significant improvement over the outdated micro USB option found in the original, making it more convenient for users who prefer a unified charging solution. While the battery has shown promising performance and longer operational life than the OEM, some customers reported that charge retention isn't as robust as expected, with some noting their battery only lasts a couple of weeks before needing a recharge. There is also feedback regarding the charging speed, which, while comparable to the original, is perceived as slower. A few users did express concerns about the battery not reaching a full charge or taking longer than anticipated to do so. Overall, the Fancy Buying 12000mAh Rechargeable Battery stands out due to its high capacity, easy installation, and compatibility with eufy devices. However, potential buyers should be aware of varying experiences regarding charge longevity and speed. **
Customer Reviews & Ratings
71 customers ratings
-
5 Star
69%
-
4 Star
16%
-
3 Star
0%
-
2 Star
1%
-
1 Star
14%
Review this product
Share your thoughts with other customers
Pros
- High capacity (12,000 mAh) offers extended usage between charges.
- Seamless installation, identical in size to the OEM battery.
- USB Type-C charging port improves convenience and reduces cable clutter.
Cons
- Some users report shorter charge retention, lasting only a couple of weeks.
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
F
fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
LC
Leana
Verified buyer
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
AUD 69
Order now and get it around Sunday, September 13
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.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Ultra-large 12000mAh battery capacity guarantees uninterrupted security system operation.
- Compatible with multiple eufy models for seamless integration.
- Works efficiently in extreme temperatures from -30℃ to 70℃.
- Easy installation and charging without removing the smart lock.
- Includes multiple circuit protection for safety and reliability.
- Comes with a USB charging cable for added convenience.
Ubuy Assurance
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.