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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
USD 42
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Saturday, August 22
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12000mAh ultra-large capacity rechargeable battery ensures long time continuous operation.
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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
| 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.
Who Should Buy?
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Home Security Enthusiasts
Ideal for users prioritizing continuous operation of smart door locks without frequent battery changes.
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Frequent Travelers
Convenient for individuals who travel often and need a reliable battery solution for their home security devices.
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Tech-Savvy Users
Perfect for those who enjoy integrating advanced technology for enhanced security measures in their homes.
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Minimalist Users
Not suitable for users preferring simpler, battery-free security options without the need for frequent charging.
Product Description
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
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Which eufy models are compatible with this battery?
Answer: The battery is compatible with eufy T8520, T8520S, T8531, S330, S230, and several others. -
Question:
How long does it take to charge the battery?
Answer: Charging time may vary, but the battery can be charged using a 5V/2A input. -
Question:
What safety features does the battery include?
Answer: The battery includes protections against over-charging, short-circuits, high temperatures, and more.
Fancy Buying Home Security Systems 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
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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
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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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.
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USD 42
Order now and get it around Saturday, August 22
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:
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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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.
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