Your Eufy smart lock is a crucial part of your home security system, offering convenience and peace of mind. But like any smart device, it needs reliable power to perform its best. When it comes to ensuring your Eufy door lock never runs out of juice, choosing the right replacement battery is key. With so many options available, finding the best batteries for Eufy door lock can feel a bit overwhelming.
That’s why we’ve done the legwork for you! We’ve rounded up seven top-notch rechargeable battery packs designed specifically for your Eufy smart lock. These options boast high capacity, essential safety features, and wide compatibility to keep your security system running smoothly. Let’s dive in and find the perfect power source for your Eufy device!
The Top 7 Batteries for Your Eufy Smart Lock
Here’s our detailed look at the best batteries for Eufy door lock models like the S330, S230, and Smart Drop.
1. Security Rechargeable Battery for eufy S330 Video Smart…
This rechargeable battery pack is a fantastic choice for those looking for a dependable power source for their Eufy S330 Video Smart Lock. With its impressive 10,500 mAh capacity, it promises extended runtime, ensuring your smart lock remains operational for longer periods. It’s built tough too, being BHMA certified and IP65 waterproof, meaning it can handle a wide range of temperatures and conditions without breaking a sweat. Plus, the convenience of Type-C fast charging makes powering up a breeze.
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Key Features:
- LxWxH: 76x59x21mm / 2.99×2.32×0.82in; Weight: 170g±5g
- 10,500 mAh ultra-large capacity rechargeable battery
- BHMA certified, IP65 waterproof
- Operates in temperatures from -22°F to 158°F (-20°C to 60°C)
- Compatible with Eufy S330 3-in-1 Video Smart Lock, Smart Lock Touch & Wi-Fi (T8520), and Smart Drop
- Type-C Fast Charging (Input: 5V/2A)
- Easy installation; no need to remove the smart lock
- Includes 1x rechargeable battery, 1x USB charging cable
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Pros:
- High 10,500 mAh capacity for extended battery life
- Durable and weather-resistant (IP65, wide temp range)
- Broad compatibility with popular Eufy smart locks
- Convenient Type-C fast charging
- Simple, tool-free installation and removal
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Cons:
- Specific to certain Eufy models, always double-check compatibility
- Charging cable provided is basic USB-A to Type-C
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User Impressions:
Users rave about the long-lasting power and the ease with which this battery integrates into their existing Eufy setup. The robust build and quick charging are frequently highlighted as major advantages, making it a reliable choice for continuous security.
2. S330 Battery for Eufy Security S330/E330/S230/S231/S220…
When it comes to keeping your Eufy security system powered, the BURFLO S330 battery is an excellent contender. Upgraded with an impressive 10,500mAh capacity, this battery is designed for uninterrupted operation, even in extreme weather conditions. Its thickened battery cell allows it to function flawlessly from a chilly -30℃ to a scorching 70℃. What truly sets it apart are the comprehensive BURFLO POWER Protection features, safeguarding against a multitude of electrical issues.
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Key Features:
- Upgraded 10,500mAh high capacity for extended use
- Operates in temperature range of -30℃ to 70℃ (-22°F to 158°F)
- Wide compatibility: Eufy Security S330/E330, S230/S231/S220 Smart Lock, Smart Drop(T8790), Smart Lock Touch（T8520T11), T8520, T8520S, T8520J11, T8531, E8531JY1
- Tool-free installation and removal; no need to remove the doorbell from the door
- Includes a 17.3-inch Type-C charging cable
- Fully charges in as little as 6 hours at 5V/2A
- BURFLO POWER Protection: over-charging, over-power, short-circuit, high-temperature, over-voltage, and battery PTC protection
- US-based company with dedicated customer service
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Pros:
- Exceptional 10,500mAh capacity for long battery life
- Outstanding performance in extreme hot and cold temperatures
- Extremely wide compatibility with numerous Eufy smart lock models
- Robust multi-circuit protection for enhanced safety
- Convenient, easy installation and removal
- Longer Type-C charging cable included
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Cons:
- Full charge time of 6 hours might be longer than some alternatives
- While compatible with many, always verify your specific model
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User Impressions:
Customers highly value this battery for its reliable performance and broad compatibility. The peace of mind offered by its extensive safety features is a recurring theme in positive feedback, alongside its ability to endure diverse weather conditions.
3. NASTIMA Security Rechargeable Battery Compatible with eufy…
The NASTIMA replacement battery offers a seamless and reliable power solution for your Eufy smart lock. Engineered to be fully compatible with several Eufy models, it boasts a substantial 10,500mAh capacity to keep your devices running without frequent recharges. Safety is a top priority with NASTIMA, as this battery incorporates grade A+ cells and multiple protection mechanisms, giving you confidence in its performance. Plus, a handy dual-color LED indicator lets you easily monitor the charging status.
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Key Features:
- Fully compatible with Eufy S330, S230, E330, S231 Video Smart Lock 3-in-1, and Smart Drop
- Technical Specification: 3.6/3.7V, 10,500mAh Li-ion battery
- Dimension: 77.55921mm/2.972.320.83in; Weight: 170g/0.37lb
- Includes a 30CM USB charge cable (5V 2A MAX)
- Dual-color LED charging indicator (Flashing Green: charging; Solid Green: full charged)
- Built with Grade A+ cells for safety
- Protection features: Over Charge, Over Discharge, Short-circuit, and Over-temperature protection
- 100% Satisfaction guarantee: 35-day money-back, 1-year warranty, 24-hour customer support
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Pros:
- High 10,500mAh capacity ensures extended use
- Excellent safety features with Grade A+ cells and multi-protection
- Convenient LED charging indicator
- Strong customer satisfaction guarantees (money-back, warranty, support)
- Good compatibility with specified Eufy smart locks
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Cons:
- The included USB charge cable is relatively short (30CM)
- May not be compatible with all Eufy smart lock models
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User Impressions:
Users appreciate the peace of mind that comes with NASTIMA’s safety features and robust warranty. The clear charging indicator is a small but welcome touch, and the overall impression is one of a dependable, high-capacity replacement for their Eufy devices.
4. GKUGEYGO Security Rechargeable Battery for eufy S330 S230…
The GKUGEYGO Security Rechargeable Battery is designed to provide your Eufy Video Smart Lock with consistent and reliable power. Its 10,500mAh high-capacity ensures extended runtime, so you won’t have to worry about your home security being compromised due to a dead battery. What truly stands out is the integrated intelligent control chip, which offers comprehensive multi-circuit protection, making it exceptionally safe to use. Replacing your old battery with this one is a quick, hassle-free process that doesn’t require any tools or removing the lock from your door.
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Key Features:
- Fully compatible with Eufy S330, S230, E330, S231 Video Smart Lock 3-in-1, and Smart Drop
- High-Capacity 10,500mAh/3.7V/38.85Wh battery for extended runtime
- Integrated intelligent control chip with built-in overcharge, overdischarge, overvoltage, overcurrent, and overheat protection
- Multi-circuit protection ensures safe and stable use
- Quick Charge & Installation: Easy to replace without removing the smart lock
- Package includes: 1* Replacement battery, 1 x USB charging cable
- Dedicated customer support available for questions
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Pros:
- Excellent 10,500mAh capacity for long-lasting power
- Advanced intelligent control chip for superior safety
- Simple, tool-free installation and quick charging
- Reliable performance for uninterrupted home security
- Good compatibility with popular Eufy smart lock models
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Cons:
- Charging cable length not specified
- No mention of specific extreme temperature operating ranges
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User Impressions:
Customers frequently praise this battery for its impressive runtime and the ease of swapping it out. The built-in safety features also instill confidence, with many users feeling that it significantly improves the reliability and convenience of their Eufy smart lock experience.
5. Battery for eufy S330, Compatible with eufy S230 S220…
This battery is an indispensable extra power source for your Eufy smart lock, ensuring continuous operation and uninterrupted protection for your home. With a generous 10,500 mAh capacity, it offers extended running time, reducing the need for frequent charging. Its full compatibility with various Eufy models, including the S330 and Smart Lock Touch & Wi-Fi, makes it a versatile choice. The integrated intelligent control chip provides comprehensive safety protections, meaning you can trust it to power your vital security devices safely and stably.
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Key Features:
- 10,500 mAh large capacity for long running time
- Fully compatible with Eufy Security S330, S230, E330 3-in-1 Video Smart Lock, Smart Lock Touch & Wi-Fi (Black/Silver, Model T8520), SmartDrop, and Smart Delivery Box
- Provides extra battery backup for uninterrupted home security
- Integrated intelligent control chip with built-in overcharge, overdischarge, overvoltage, overcurrent, and overheat protection
- Multi-circuit protection ensures safe and stable use
- Offers 12 months technical support
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Pros:
- High 10,500 mAh capacity extends operational time
- Wide compatibility across multiple Eufy smart lock and delivery box models
- Strong safety features with intelligent control chip
- Excellent as an extra battery to avoid downtime
- Comes with 12 months of technical support
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Cons:
- Does not explicitly mention if a charging cable is included
- No specific details on charging speed or temperature range
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User Impressions:
Many users find this battery to be an ideal backup, appreciating the peace of mind it offers by preventing any security downtime. The robust safety features are a frequently cited positive, along with its ability to consistently power their Eufy devices without issue.
6. GOROFO S330 Security Smart Lock Rechargeable Battery, for…
The GOROFO S330 Security Smart Lock Rechargeable Battery is a high-performance choice designed to seamlessly integrate with your Eufy smart lock. Boasting a 10,500mAh capacity, this lithium-ion battery is built for longevity, offering up to 800 recharge cycles. Its compatibility is extensive, covering a wide array of Eufy smart lock models. Installation and replacement are incredibly easy and tool-free, meaning you won’t even need to remove your smart lock from the door. Plus, with convenient USB-C charging, powering up is straightforward and efficient.
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Key Features:
- Extensive compatibility: Eufy Security S330/E330 3-in-1 Video Smart Lock, S230/S231/S220 Smart Lock, Smart Drop(T8790), Security Smart Lock Touch（T8520T11), T8520, T8520S, T8520J11, T8531, E8531JY1
- High Capacity: 10,500mAh rechargeable lithium-ion battery
- Up to 800 recharge cycles for long-lasting performance
- Easy to use: Tool-free installation and replacement without removing the smart lock
- USB-C charging: Includes 1 USB to USB-C cable; no extra charger needed
- Exchange or Refund Guaranteed: 30-day refund, 24-hour customer support for quality issues
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Pros:
- Very wide compatibility with many Eufy smart lock models
- High 10,500mAh capacity for extended use
- Impressive 800 recharge cycles for durability
- Effortless, tool-free installation and replacement
- Convenient USB-C charging with included cable
- Strong customer support and satisfaction guarantee
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Cons:
- Specific safety features like overcharge protection are not explicitly detailed in the description (though often standard)
- No mention of extreme temperature resistance
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User Impressions:
Customers are consistently pleased with the GOROFO battery’s ease of installation and its excellent compatibility. The long-term value offered by the high number of recharge cycles is also a major draw, making it a favorite for those seeking a durable and convenient power solution.
7. 10500mAh S330 Battery for Eufy Security…
This 10,500mAh S330 Battery offers a high-capacity and reliable power solution specifically engineered for your Eufy smart lock devices. Designed with the same chip as the original battery, it ensures seamless and dependable operation for models like the S330 and Smart Drop. Installation is a breeze – simply swap out the old battery for the new one, and recharging is just as convenient with the included USB cable. Moreover, this battery prioritizes safety with an integrated intelligent control chip that provides comprehensive protection against various electrical risks, ensuring high performance and extended battery life.
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Key Features:
- High-Capacity 10,500mAh/3.7V/38.85Wh battery for extended runtime
- Fully compatible with Eufy S330, S230, E330, S231 Video Smart Lock 3-in-1, and Smart Drop devices
- Features the same chip as the original battery for seamless replacement
- Easy Installation and recharge: hassle-free swap-out, USB cable included for charging
- Safe To Use: Integrated intelligent control chip with built-in protections against over-charging, over-discharging, over-voltage, over-current, and overheating
- Multiple circuit safeguards ensure safety and stability, providing high performance and extended battery life
- Package includes: 1 Battery, 1 USB Type C Cable, 24 x 7 Customer Support
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Pros:
- Robust 10,500mAh capacity for prolonged use
- Seamless compatibility due to matching original chip design
- Excellent safety features with multi-circuit protection
- Extremely easy installation and convenient USB-C charging
- Reliable performance and extended battery life
- Comes with 24/7 customer support
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Cons:
- Compatibility is specific to listed Eufy models
- No explicit mention of extreme temperature operating ranges
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User Impressions:
Users consistently praise this battery for its “plug-and-play” simplicity and robust safety features. The assurance of having the same chip as the original Eufy battery gives many customers peace of mind, leading to highly positive feedback regarding its reliability and consistent performance.
FAQ: Your Eufy Smart Lock Battery Questions Answered
Keeping your Eufy smart lock powered is essential for uninterrupted home security. Here are some common questions about finding and maintaining the best batteries for Eufy door lock.
Q1: How long do Eufy smart lock batteries typically last?
A1: The battery life of a Eufy smart lock can vary significantly depending on usage frequency, Wi-Fi signal strength, temperature, and the specific Eufy model. Generally, a high-capacity 10,500mAh battery, like those reviewed, can last anywhere from 3 to 6 months on a single charge under normal conditions.
Q2: Are these third-party batteries safe to use with my Eufy smart lock?
A2: Yes, the batteries reviewed here are designed with safety in mind. They typically include integrated intelligent control chips and multi-circuit protections against over-charging, over-discharging, short-circuits, over-voltage, over-current, and overheating. Always choose reputable brands that highlight these safety features.
Q3: How do I know which battery is compatible with my specific Eufy smart lock model?
A3: Each product description clearly lists the compatible Eufy models (e.g., S330, S230, E330, Smart Drop, Smart Lock Touch & Wi-Fi T8520). Always double-check this list against your Eufy device’s model number before purchasing. Most high-capacity replacement batteries are designed for the latest Eufy video smart locks.
Q4: Do these batteries come with a charger or do I need to buy one separately?
A4: Most of the reviewed rechargeable battery packs come with a USB Type-C charging cable. This means you can use any standard USB wall adapter (like those for smartphones) to charge them, so a separate dedicated charger typically isn’t needed.
Q5: How long does it take to fully charge a Eufy smart lock battery?
A5: Charging times can vary, but generally, a 10,500mAh battery charging at 5V/2A can take anywhere from 6 to 8 hours to reach a full charge. Some brands may offer slightly faster charging, but it’s always best to check the product specifications.
Q6: Can I use regular AA or AAA batteries in my Eufy smart lock instead?
A6: No. Eufy smart locks, especially the video models like the S330, S230, and Smart Drop, are specifically designed to use proprietary rechargeable battery packs. Using standard AA or AAA batteries is not recommended and could damage your device or prevent it from functioning correctly.
Q7: Is it worth buying an extra battery for my Eufy smart lock?
A7: Absolutely! Having an extra, fully charged battery on hand is highly recommended. It allows you to quickly swap out a depleted battery, ensuring your smart lock is never offline for an extended period during charging. This provides continuous security and peace of mind.
Conclusion
Choosing the best batteries for Eufy door lock is a crucial step in maintaining the reliability and effectiveness of your smart home security. All the batteries reviewed here offer high capacity, excellent compatibility with popular Eufy models, and robust safety features, ensuring your smart lock stays powered and your home remains secure.
Whether you prioritize extreme temperature resilience, comprehensive circuit protection, or stellar customer support, there’s a fantastic option waiting for you. By investing in a quality replacement or spare battery, you’re not just buying power; you’re buying uninterrupted peace of mind. Happy securing!
