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Replacement Battery for Eufy Security S330 S230 E330 S231 Video Smart Door Lock, SmartDrop T8790, Smart Delivery Box T8520 T8531, 10500mAh 3.7V
Ensure continuous operation and maintain your home security without interruptions with our high-capacity 10500mAh battery.
Replacement Battery for Eufy Security S330 S230 E330 S231 Video Smart Door Lock, SmartDrop T8790, Smart Delivery Box T8520 T8531, 10500mAh 3.7V

Replacement Battery for Eufy Security S330 S230 E330 S231 Video Smart Door Lock, SmartDrop T8790, Smart Delivery Box T8520 T8531, 10500mAh 3.7V

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Ensure continuous operation and maintain your home security without interruptions with our high-capacity 10500mAh battery.
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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 powerful 10500mAh capacity, this battery ensures prolonged usage for your Eufy devices, reducing the frequency of replacements and downtime.
Wide Compatibility
Designed specifically for various Eufy models, this battery caters to multiple devices, enhancing versatility and convenience for users with diverse security needs.
Reliable Performance
Operating at 3.7V, this battery offers stable and efficient power delivery, ensuring optimal performance of your video smart door lock and security equipment.

Product Details

Shop Replacement Battery for Eufy Security S330 S230 E330 S231 Video Smart Door Lock, SmartDrop T8790, Smart Delivery Box T8520 T8531, 10500mAh 3.7V online at a best price in Guernsey. B0FQCXHFCV
Number of Batteries1 Lithium Ion batteries required. (included)
BrandPWRTank
Model NumberT8520
Model NameT8520
ManufacturerPWRTank
Built-In MediaBattery pack
Battery Capacity10500 Milliamp Hours
Voltage3.7 Volts
ReusabilityRechargeable
Compatible Phone ModelsEufy 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.
Unit Count1.0 Count
Battery Weight230 Grams
Item Dimensions2.99 x 2.32 x 0.81 inches (7.6 x 5.9 x 2.1 cm)
Antenna LocationEufy 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 TypeLithium Ion
Battery Cell CompositionLithium Ion
Recommended Uses For ProductEufy 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

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?

Suitable For
  • Homeowners

    Ideal for homeowners with Eufy smart locks needing reliable battery replacements for security and convenience.

  • Frequent Shoppers

    Perfect for users of Smart Delivery Boxes who need uninterrupted functionality for their home deliveries.

  • Tech Enthusiasts

    Beneficial for tech-savvy individuals looking to keep their smart devices running on a long-lasting battery.

Not Suitable For
  • Budget-Conscious Users

    Not suitable for users looking for cheaper alternatives as it may be priced higher than generic options.

Product Description

Replacement Battery for Eufy Security S330 S230 E330 S231 Video Smart Door Lock, SmartDrop T8790, Smart Delivery Box T8520 T8531, 10500mAh 3.7V

Have any Query? Chat with us

Customer Questions & Answers

  • Question: Is the battery compatible with my Eufy model?

    Answer: Yes, it's designed as a direct replacement for Eufy Security Smart Door Lock models S330, S230, E330, S231, and also for SmartDrop models T8790.
  • Question: How do I install the replacement battery?

    Answer: The installation process is simple; you can replace it without removing the smart lock from the door.
  • Question: Is the battery safe to use?

    Answer: Absolutely, it features an intelligent control chip with built-in protections against various risks such as overcharging and overheating.

PWRTank Home Security Systems T8520 Editorial Review

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