Stepping into the world of smart home security can feel a bit like navigating a maze, especially with so many cool gadgets promising to keep your humble abode safe and sound. When it comes to smart locks, eufy has really made a name for itself, offering some fantastic options that blend convenience with top-notch security. If you’re trying to pick the perfect guardian for your front door, chances are you’ve stumbled upon the eufy e330 vs s330 smart lock debate. Both are powerhouses, but they each have unique perks that might make one a better fit for your lifestyle.
In this comprehensive guide, we’re not just comparing the eufy E330 and S330; we’re diving deep into 10 popular eufy smart lock products and essential accessories. We’ll break down their features, highlight what makes them tick, and help you decide which smart lock solution will bring you the most peace of mind. Let’s unlock the details!
eufy E330 vs S330 Smart Lock: The Core Differences
Before we jump into the full reviews, let’s get down to brass tacks on the main event: the eufy e330 vs s330 smart lock. Both are incredible 3-in-1 video smart locks, meaning they combine a smart lock, a 2K HD camera, and a video doorbell into one sleek package. They share many similarities, like fingerprint recognition, multiple unlocking methods, and remote management.
The primary difference lies in their networking and storage capabilities. The S330 leverages an included “Chime” (also known as a HomeBase Mini for some models) to provide expandable local video storage via a microSD card and a more stable Wi-Fi connection, potentially reducing power consumption during video playback. The E330, on the other hand, is designed to integrate seamlessly if you already have a eufy HomeBase 3 (S380) for storage, or it can function with cloud storage (with subscription) for thumbnail previews, making it a great addition to an existing eufy ecosystem. If you’re starting fresh, the S330 package often provides the necessary hardware for local storage out of the box with its included Chime.
Now, let’s look at the products!
Product Reviews
1. eufy Security Video Smart Lock S330, 3-in-1
The eufy Security Video Smart Lock S330 truly stands out as an all-in-one marvel, seamlessly integrating advanced security features right at your doorstep. Imagine having a speedy fingerprint reader, a crystal-clear 2K HD camera, and a fully functional video doorbell all in one sleek device. This smart lock redefines convenience, allowing you to unlock your door in five different ways, from a quick touch of your finger to a voice command via Alexa or Google Assistant. It’s perfect for those who want comprehensive front door management without juggling multiple gadgets.
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Key Features:
- Advanced 3-in-1 Triple Security: Fingerprint recognition, 2K HD camera, video doorbell.
- Five Unlocking Methods: Fingerprint, eufy Security app, Alexa/Google Voice, keypad, traditional keys.
- Remote Management & Notifications: Monitor door, control lock, receive push notifications from anywhere.
- High-Capacity Battery: 10,000 mAh rechargeable battery for long-lasting operation.
- Enhanced Durability: BHMA Certified, IP65 water-resistant, -22°F to 158°F (-30°C to 70°C) operating temperature.
- User-Friendly Installation: 15-minute install, no drilling needed, compatible with standard US/CA deadbolts.
- Includes Chime: Provides expandable video storage (up to 128 GB via microSD, not included), reduced power consumption for video, and stable Wi-Fi.
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Pros:
- Combines multiple devices into one, simplifying your smart home setup.
- Extremely versatile with various unlocking options.
- Robust battery life minimizes recharge frequency.
- Excellent weather resistance and durability for year-round use.
- Easy to install for most DIYers.
- Chime inclusion ensures local storage and better connectivity.
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Cons:
- MicroSD card for storage is not included.
- Premium price point due to comprehensive features.
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User Impressions: Users rave about the S330’s integrated design and ease of use, often highlighting the convenience of fingerprint unlocking and the clarity of the 2K camera. Many appreciate the robust build quality and the long battery life. The included chime is frequently praised for enhancing functionality and connectivity.
- See it on Amazon here
2. eufy Rechargeable Battery for S330 3-in-1 Video Smart Lock
Having a spare battery for your eufy smart lock is a game-changer, especially for devices like the S330 and E330 that rely on a single power source. This official eufy rechargeable battery ensures your smart lock never runs out of juice unexpectedly. Its quick-release design means you don’t have to dismantle your lock to swap or recharge, offering unparalleled convenience and keeping your home security uninterrupted. It’s a must-have accessory for peace of mind.
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Key Features:
- 10,000 mAh Capacity: Powers advanced features for extended periods.
- Wide Compatibility: Works with eufy S330, E330, S230, E31 smart locks, and Smart Drop.
- Quick Release Battery Pack: Easy to remove and reinsert without lock removal.
- Rechargeable: Economical and eco-friendly alternative to single-use batteries.
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Pros:
- Official eufy product ensures perfect compatibility and performance.
- High capacity provides long standby time for your lock.
- “Hot-swappable” design means no downtime for your security.
- Saves money and reduces waste compared to disposable batteries.
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Cons:
- An additional purchase, adding to the overall cost.
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User Impressions: Customers love the convenience of having an extra battery on hand, noting how quickly they can swap it out when the primary battery runs low. The high capacity is a consistent highlight, ensuring their smart locks remain operational for weeks or even months between charges.
- See it on Amazon here
3. eufy Security Smart Lock C220, Fingerprint Keyless Entry
The eufy Security Smart Lock C220 offers a fantastic blend of smart features and extended battery life for those who prioritize long-term performance without the video camera. Its impressive 8-month battery life means less fuss with recharging, and the self-learning AI fingerprint recognition gets smarter with every use, ensuring quick and reliable access. With built-in Wi-Fi, you get remote control and notifications without needing a separate bridge, making it a streamlined and reliable choice for modern keyless entry.
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Key Features:
- 8 Months Battery Life: Runs for approximately 8 months on 8 AA batteries.
- Self-learning AI: Fingerprint recognition improves over time for faster, more accurate unlocking.
- 6 Ways to Unlock: Fingerprint (<1.5s), eufy Security app, keypad, physical key, Apple Watch, Alexa/Google Voice.
- Control from Anywhere with Built-in Wi-Fi: No bridge needed for remote access, notifications, and event history.
- Integrated eufy Ecosystem: Can be added to eufy routines with other devices.
- Easy Installation & Customer Service: 15-minute drill-free install, 18-month protection.
- Security & Durability: Alarm for unusual attempts, -22℉ to 158℉ (-30℃ to 70℃) operating temp, IP53 waterproof.
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Pros:
- Exceptional battery life minimizes maintenance.
- Highly responsive and adaptive fingerprint scanner.
- Direct Wi-Fi connection simplifies setup and remote control.
- Multiple unlocking methods provide great flexibility.
- Robust build and weather resistance.
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Cons:
- Does not include a built-in camera or video doorbell functionality.
- Relies on AA batteries, which might eventually add up if not rechargeable.
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User Impressions: Users are highly satisfied with the C220’s quick fingerprint recognition and the convenience of built-in Wi-Fi. The long battery life is a major selling point, with many appreciating the peace of mind it offers. The straightforward installation process also receives frequent praise.
- See it on Amazon here
4. ADDPOWER Security Rechargeable Battery for eufy S330 S230
If you own a eufy smart lock and want to ensure uninterrupted security, the ADDPOWER rechargeable battery is an excellent third-party option. With a slightly higher 10,500 mAh capacity than the official eufy battery, it promises even longer continuous operation for your S330, E330, or other compatible eufy smart devices. Its Type-C fast charging capability and quick-release design mean minimal downtime, providing reliable backup power when you need it most.
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Key Features:
- Large Capacity: 10,500 mAh for extended operation.
- Adaptable Models: Compatible with eufy S330, S230, S220, E330 3-in-1 Video Smart Lock, Smart Lock Touch & Wi-Fi, and Smart Drop.
- Type-C Fast Charging: Convenient and quick recharging.
- Quick Charge & Installation: Easily remove battery for charging without detaching the lock.
- Durable: BHMA certified, IP65 waterproof, -20°C to 60°C operating temp.
- Package Contents: Includes 1x rechargeable battery, 1x USB charging cable.
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Pros:
- Higher capacity for potentially longer battery life.
- Broad compatibility with various eufy smart devices.
- Fast Type-C charging is a modern convenience.
- Durable and weather-resistant construction.
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Cons:
- Third-party product, some users might prefer official accessories.
- Actual battery life may vary based on usage and environmental factors.
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User Impressions: Reviewers often highlight the increased capacity and the fast charging capabilities of this battery. Many are pleased with its compatibility across various eufy models and the overall value it provides as a reliable backup.
- See it on Amazon here
5. NASTIMA Security Rechargeable Battery Compatible with eufy
The NASTIMA replacement battery offers another robust third-party solution for keeping your eufy smart locks powered. With a high 10,500mAh capacity and a focus on safety through multiple protection features, it’s designed to be a reliable and secure alternative to the original. Its dual-color LED indicator for charging status is a thoughtful touch, making it easy to know when your battery is ready to go back into action.
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Key Features:
- Fully Compatibility: Works with eufy S330, S230, E330, S231 Video Smart Lock 3-in-1, and Smart Drop.
- Technical Specification: 10500mAh Li-ion battery, includes 30CM USB charge cable (5V 2A MAX).
- Charging Indicator: Dual-color LED (flashing green for charging, solid green for full).
- Safety Features: Over Charge/Discharge Protection, Short-circuit protection, Over-temperature protection.
- 100% Satisfaction Guarantee: 35-day money back, 1-year warranty.
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Pros:
- High capacity ensures extended power for your devices.
- Comprehensive safety features provide peace of mind.
- Clear charging indicator is very helpful.
- Strong customer support and warranty.
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Cons:
- Third-party product, which some users might hesitate to use over official options.
- Slightly shorter USB cable might be less convenient for some charging setups.
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User Impressions: Customers appreciate the NASTIMA battery for its reliable performance and the added safety features. The charging indicator is a frequently praised detail, and the generous warranty often provides a sense of security for buyers.
- See it on Amazon here
6. Security Rechargeable Battery for eufy S330 S230 S220 E330
This generic rechargeable battery pack is a practical choice for anyone looking for an extra power source for their eufy smart lock without breaking the bank. Boasting a 10,500 mAh capacity, it’s designed to keep your eufy Security S330, E330, or other compatible models running smoothly for extended periods. Its integrated intelligent control chip provides multi-circuit protection, ensuring both safe and stable use, making it a dependable backup for your home security system.
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Key Features:
- 10,500 mAh Large Capacity: Ensures long running time.
- Full Compatibility: Works with eufy Security S330, S230, E330 3-in-1 Video Smart Lock, Smart Lock Touch & Wi-Fi, SmartDrop, and Smart Delivery Box.
- Extra Battery Backup: Provides uninterrupted protection.
- Integrated Intelligent Control Chip: Built-in overcharge, overdischarge, overvoltage, overcurrent, and overheat protection.
- Customer Support: 12 months technical support.
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Pros:
- High capacity for extended device operation.
- Wide range of compatibility with eufy smart devices.
- Robust safety features for secure charging and use.
- Offers continuous home security with an extra battery.
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Cons:
- Generic brand, so long-term reliability might be less established than official eufy batteries.
- May not include a charging cable, requiring a separate purchase if you don’t have a Type-C.
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User Impressions: Users find this battery to be a cost-effective solution for ensuring continuous operation of their eufy smart locks. The high capacity and the built-in safety features are frequently mentioned as key benefits, providing good value for money.
- See it on Amazon here
7. S330 Battery for Eufy Security S330/E330/S230/S231/S220
This upgraded S330 battery by BURFLO POWER aims to provide superior performance for a wide array of eufy smart locks and smart drop devices. With an impressive 10,500mAh capacity and an upgraded thickened battery cell, it’s built to withstand a broad temperature range, ensuring reliable operation even in harsh climates. Its wide compatibility and included Type-C charging cable make it a convenient and versatile choice for extending the life of your eufy security devices.
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Key Features:
- Upgraded to 10500mAh High Capacity: Ensures uninterrupted security system operation.
- Wide Compatibility: Fully compatible with eufy S330/E330 3-in-1 Video Smart Lock, S230/S231/S220 Smart Lock, Smart Drop, and Smart Lock Touch.
- Easy to Use: Tool-free installation/removal, includes 17.3-inch Type-C charging cable.
- BURFLO POWER Protection: Multiple circuit protection (over-charging, over-power, short-circuit, high-temperature, over-voltage, PTC protection).
- BURFLO GUARANTEE: US-based company, quality problem support.
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Pros:
- Enhanced capacity for longer device life.
- Excellent temperature tolerance for diverse climates.
- Very wide compatibility with many eufy models.
- Comprehensive safety features.
- Includes a charging cable for immediate use.
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Cons:
- Another third-party option, might lack the brand trust of eufy.
- Charging time (up to 6 hours at 5V/2A) might be longer than some expect.
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User Impressions: Customers often praise this battery for its broad compatibility and high capacity, which translates to fewer charges. The inclusion of a Type-C charging cable is a definite plus for many, making it a convenient package.
- See it on Amazon here
8. eufy Security Video Smart Lock E330 Pack with Indoor Chime
The eufy Security Video Smart Lock E330, particularly when bundled with its Indoor Chime, offers a compelling alternative to the S330, especially if you’re looking to build or expand your eufy smart home ecosystem. This 3-in-1 powerhouse delivers stunning 2K HD video, rapid fingerprint recognition, and all the features of a smart doorbell, ensuring you never miss a visitor. The included Indoor Chime helps you hear alerts throughout your home and integrates seamlessly, making it a truly holistic security solution.
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Key Features:
- 3-in-1 Triple Security: Speedy fingerprint lock, 2K HD camera (f/1.6 lens for clear night visibility), video doorbell.
- 5 Easy Ways to Unlock: Fingerprint, eufy Security app, Alexa/Google Voice, keypad, traditional keys.
- Remote Control from Anywhere: Monitor, manage, and receive notifications via the eufy Security app.
- Never Miss a Visitor: Real-time notifications for doorbell rings or motion detection.
- Custom Tones: Select from 8 chime options with adjustable volume.
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Pros:
- Excellent video quality, even in low light.
- Fast and reliable fingerprint unlock.
- Comprehensive remote control and monitoring.
- Included chime ensures you hear alerts indoors.
- Seamless integration into the eufy ecosystem (especially with HomeBase 3 for local storage).
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Cons:
- Thumbnail previews require temporary cloud storage, which may concern privacy-focused users.
- Relies on a eufy HomeBase 3 (sold separately) for local video storage, which is a key distinction in the eufy e330 vs s330 smart lock debate.
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User Impressions: Users highly appreciate the crisp 2K video quality and the swift fingerprint recognition of the E330. The convenience of the included chime is a frequent highlight, ensuring they’re always aware of activity at their front door. Many find it a valuable addition to their existing eufy security setup.
- See it on Amazon here
9. eufy Security Smart Lock E30, Fingerprint Keyless Entry
The eufy Security Smart Lock E30 distinguishes itself with its exceptional smart home integration capabilities, including direct Apple Home support. This means it plays nicely with your existing smart home hub, offering not just rapid fingerprint unlocking (under 0.3 seconds!) but also seamless control via Siri, Alexa, or Google Assistant. With an impressive 8 months of battery life and continuous self-improvement in fingerprint recognition, the E30 is designed for families seeking ultra-fast, convenient, and truly integrated keyless entry.
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Key Features:
- Apple Home Support: Designed to work directly with existing hubs (Apple Home, Google Home, Alexa, SmartThings).
- Unlock for the Whole Family’s Needs: Fingerprint (under 0.3s), APP control, keypad, physical key, voice commands.
- Up to 8 Months of Battery Life: Powered by 8 AA batteries (based on 10 unlocks/day).
- Remote Control via Homepod or Other Hubs: Access management, real-time notifications, event logs, remote unlocking.
- Easy Installation & Excellent Customer Service: 15-minute drill-free install, 18-month electronic, 36-month mechanical protection.
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Pros:
- Outstanding Apple HomeKit integration.
- Extremely fast and improving fingerprint recognition.
- Long battery life reduces maintenance.
- Versatile unlocking options for the whole family.
- Robust warranty and customer support.
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Cons:
- Requires a compatible hub (e.g., Apple HomePod/TV) for remote access and smart home features.
- No built-in camera or video doorbell functionality.
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User Impressions: Customers love the E30 for its lightning-fast fingerprint reader and its solid integration with various smart home ecosystems, particularly Apple HomeKit. The long battery life is consistently praised, as is the lock’s overall reliability and ease of use for multiple family members.
- See it on Amazon here
10. eufy Smart Lock C33, Keypad Door Lock with Handle
The eufy Smart Lock C33 offers a unique blend of convenience and security by integrating advanced fingerprint recognition directly into its handle grip. This design allows for instantaneous unlocking with a natural motion, making keyless entry truly seamless for everyone in the family. With built-in Wi-Fi for remote access and an exceptional 12-month battery life, the C33 is a fantastic choice for those seeking a complete smart lock solution with a physical handle, ideal for garage, side, or office doors.
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Key Features:
- Seamless Fingerprint Recognition with Handle Grip: Instant unlock with adaptive biometric technology.
- Integrated Wi-Fi for Remote Access: Control doors from anywhere via app, access management, real-time notifications, event history.
- Extended Battery Life: Operates for up to 12 months on a single charge.
- Hassle-Free Installation & Broad Compatibility: 15-minute drill-free install, works with left- and right-hand doors.
- Reliable Customer Support: 24/7 service, 18-month coverage.
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Pros:
- Ergonomic design with fingerprint reader on the handle for natural unlocking.
- Longest battery life among the reviewed eufy locks, reducing charging frequency.
- Built-in Wi-Fi means no separate hub needed for remote features.
- Versatile installation for various door types.
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Cons:
- No built-in camera or video doorbell feature.
- The integrated handle might not suit all aesthetic preferences or existing door hardware.
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User Impressions: Users frequently praise the C33 for its intuitive handle-based fingerprint unlocking and its impressive battery life. The built-in Wi-Fi is a significant advantage, and many find it a perfect fit for secondary doors where a full video solution isn’t required.
- See it on Amazon here
Frequently Asked Questions (FAQ)
Q1: What are the main differences between the eufy E330 and S330 smart locks?
A1: While both are 3-in-1 video smart locks with fingerprint, camera, and doorbell functions, the S330 typically comes with an included “Chime” that offers expandable local storage via a microSD card and stable Wi-Fi connectivity. The E330 is designed to integrate seamlessly with an existing eufy HomeBase 3 (S380) for local storage, making it ideal if you already have that central hub.
Q2: Do eufy smart locks require a subscription for video storage?
A2: No, eufy smart locks with camera features (like the S330 and E330) primarily offer local storage. The S330 includes a Chime (with microSD slot), and the E330 pairs with a eufy HomeBase 3 (sold separately) for local storage. Cloud storage for certain features (like thumbnail previews for push notifications) might be available with a subscription, but core video storage is local.
Q3: How do the fingerprint recognition features work on eufy smart locks?
A3: eufy smart locks use advanced biometric technology for rapid fingerprint recognition. Many models, like the C220 and E30, feature self-learning AI, meaning the sensor becomes more accurate and faster at recognizing your fingerprint with each successful use, ensuring quick and hassle-free entry.
Q4: Are eufy smart locks compatible with other smart home systems like Alexa or Google Assistant?
A4: Yes, most eufy smart locks are designed for broad compatibility. Many models support integration with popular smart home platforms like Amazon Alexa and Google Assistant, allowing for voice control. Some, like the E30, also offer direct Apple Home support.
Q5: How long do the batteries last in eufy smart locks, and are they rechargeable?
A5: Battery life varies by model. Video smart locks like the S330 and E330 use a 10,000 mAh rechargeable battery, typically lasting for several months. Other models like the C220 (8 AA batteries) can last up to 8 months, and the C33 (rechargeable) can last up to 12 months. Rechargeable batteries are quick-release for easy charging.
Q6: Is installation difficult for eufy smart locks?
A6: Most eufy smart locks are designed for DIY-friendly installation. They are generally compatible with standard US and Canadian deadbolts and can often be installed in about 15 minutes without any drilling required, making them accessible even for those without extensive technical skills.
Q7: Can I control my eufy smart lock remotely when I’m away from home?
A7: Absolutely! Most eufy smart locks with Wi-Fi connectivity (either built-in or via a hub/chime) allow for remote control through the eufy Security app. This means you can lock/unlock your door, check its status, view event history, and receive real-time notifications from anywhere in the world, as long as your lock is connected to Wi-Fi.