Let’s face it: keeping your floors clean can feel like a never-ending battle. That’s where a trusty robot vacuum comes in, and the Eufy RoboVac 11S series has long been a fan favorite for its quiet operation, slim design, and impressive cleaning power without breaking the bank. If you’re on the hunt for the best deal on Eufy 11S or looking to maximize the life and performance of your existing one, you’ve come to the right place!
We’ve scoured the market to bring you a comprehensive guide, from the vacuums themselves to essential accessories that keep them running like new. Whether you’re upgrading, replacing, or just starting your automated cleaning journey, you’ll find some fantastic options here.
Our Top Picks for Eufy 11S Deals & Accessories
Here’s a breakdown of excellent choices, ensuring you get the most bang for your buck on your Eufy 11S experience.
eufy Robot Vacuum 11S MAX, Super Thin, Powerful Suction

The Eufy 11S MAX takes everything you love about the original 11S and kicks it up a notch with even stronger suction power, making it a formidable contender against dirt and dust. Its super-slim profile means it can effortlessly glide under furniture, reaching those elusive dust bunnies that often escape manual cleaning. It’s an excellent choice if you want enhanced cleaning performance without a hefty price tag, making it a prime candidate for the best deal on Eufy 11S if you’re eyeing an upgrade.
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Key Features:
- Slim 2.85″ profile for easy access under furniture.
- Quiet operation at a noise level similar to a microwave.
- Extended cleaning performance of up to 100 minutes on hardwood floors.
- BoostIQ Technology automatically adjusts suction power within 1.5 seconds.
- Anti-scratch tempered glass-top cover, infrared-sensor for obstacle evasion, and drop-sensing tech.
- Remote control operation (no WiFi/app connectivity).
- Single-side brush design for focused suction.
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Pros:
- Significantly stronger suction than the original 11S.
- Maintains a super-slim profile for better reach.
- Long runtime and quiet operation.
- Durable design with tempered glass.
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Cons:
- Lacks WiFi or app connectivity, relying on remote control.
- Single side brush might not suit all users.
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User Impressions: Owners consistently praise the 11S MAX for its powerful suction and ability to get into tight spaces. Many appreciate its quietness, allowing them to run it without disturbance, even during movie night!
Spare Accessories Compatible for eufy 11S Max, G30, 30C

Keeping your Eufy RoboVac in tip-top shape is essential for maintaining its cleaning efficiency, and that’s where a quality accessory kit comes in. This specific kit is designed for the 11S Max (and other MAX models), ensuring you have all the necessary parts to replace worn-out components. Regularly swapping out filters and brushes not only improves cleaning but also extends your vacuum’s lifespan, helping you protect your initial investment in a smart home cleaner.
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Key Features:
- Specific design for Eufy RoboVac 11S Max, 15C Max, 30C Max, G30 Edge/Verge, G15, G20, G32 Pro series.
- Includes 1 roller bristle brush, 5 high-efficiency unibody filters, 6 edge-sweeping side brushes, and 1 multi-function cleaning tool.
- High-quality components to maintain vacuum efficiency.
- Filters should be replaced every 3 months for optimal performance.
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Pros:
- Comprehensive kit for essential maintenance.
- Restores cleaning efficiency and extends vacuum life.
- Good value compared to buying individual parts.
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Cons:
- Crucial compatibility warning: NOT for standard 11S models, only MAX series.
- Requires careful checking of your robot’s filter appearance for compatibility.
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User Impressions: Buyers appreciate the convenience and cost-effectiveness of these kits. They note that having spares on hand ensures their RoboVac continues to pick up debris effectively without interruptions.
SONGRUI Replacement Parts for eufy robovac 11S, 12, 15T

If you own the original Eufy RoboVac 11S (not the Max version!), finding the right replacement parts is key to keeping your device performing its best. This SONGRUI kit is specifically tailored for the standard 11S and a range of other Eufy models, offering a comprehensive set of accessories to refresh your robot’s cleaning power. It’s an excellent way to maintain your current cleaner, ensuring you continue to get a great clean every time.
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Key Features:
- Compatible with Eufy RoboVac 11S Slim/Plus, 30/30C, 12, 15C/15T, 25C, 35C.
- Important: NOT compatible with 11S Max, 15C Max, 30C Max.
- Kit includes 1 main rolling brush, 4 filters, 6 side brushes, 1 pre-filter, and 1 cleaning tool.
- Made from high-quality, durable, and eco-friendly materials.
- Easy to dismantle and assemble for quick daily replacements.
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Pros:
- Perfect fit for the original Eufy 11S and related models.
- High-quality materials ensure durability and effectiveness.
- Comprehensive kit provides everything you need for regular maintenance.
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Cons:
- Strict compatibility requires users to double-check their model name.
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User Impressions: Customers love that this kit provides a straightforward solution for routine maintenance of their standard Eufy 11S. They report an noticeable improvement in cleaning performance after replacing old parts with these.
Replacement Battery Compatible with eufy RoboVac 11 11C 11S

A dying battery can quickly turn your efficient robot vacuum into a stationary paperweight. This replacement battery is a lifesaver, compatible with a wide range of Eufy RoboVacs, including the Eufy 11S. It offers a significant boost in runtime, allowing your robot to clean for longer on a single charge. Investing in a new battery can feel like getting a brand-new vacuum without the full cost, making it a smart way to maximize the lifespan of your existing unit.
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Key Features:
- Broad compatibility with RoboVac 11, 11S, 11S Plus, 11S MAX, 12, 15C MAX, 15C, 30, 30C, 30C MAX, G10 Hybrid, G20 Accessory, and Ecovacs Deebot N79S, N79, DN622.
- Premium rechargeable Li-ion battery (14.4V 2600mAh).
- Provides 120 to 180 minutes of runtime per charge.
- Built-in protection against short circuit, over voltage, overheat, and overcurrent.
- Easy to install and fits perfectly.
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Pros:
- Extends the life and cleaning time of your robot vacuum.
- Wide compatibility covers many popular Eufy models.
- Safety features ensure reliable operation.
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Cons:
- Always double-check your specific model for exact compatibility before purchasing.
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User Impressions: Many users report feeling like they have a new vacuum after installing this battery. The extended runtime is a common highlight, allowing their RoboVacs to complete larger cleaning tasks efficiently.
eufy Like-New BoostIQ RoboVac 11S MAX, Robot Vacuum

If you’re eyeing the upgraded power of the Eufy 11S MAX but want to save some cash, a certified refurbished model could be your perfect match. This “like-new” RoboVac 11S MAX offers the same robust features and performance as a brand-new unit, but at a reduced price. It’s a smart way to snag a powerful robot vacuum and potentially the best deal on Eufy 11S MAX if you don’t mind a few minor cosmetic imperfections.
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Key Features:
- Certified Refurbished: Professionally inspected, tested, and restored to meet strict performance standards.
- Extended cleaning performance: up to 100 minutes on hardwood floors.
- Compact 2.85″ profile and quiet operation.
- BoostIQ Technology for adaptive suction power.
- Tempered glass-top cover, infrared-sensor, and drop-sensing tech.
- Operates via remote control; no WiFi/app connectivity.
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Pros:
- Excellent value for money, getting a premium vacuum at a lower price.
- Guaranteed performance that’s “like new.”
- Powerful suction and efficient cleaning capabilities.
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Cons:
- May show minor scratches or imperfections.
- No WiFi or app control.
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User Impressions: Customers are often thrilled with the value proposition of refurbished Eufy vacuums. They find that the minor cosmetic flaws are negligible, especially given the significant savings and excellent cleaning performance.
eufy Like-New Boost IQ RoboVac 11S (Slim)

Here’s a fantastic opportunity to grab a truly excellent best deal on Eufy 11S: a certified refurbished version of the acclaimed original RoboVac 11S (Slim)! This model was even named “Best Robot Vacuum of 2018” by Digital Trends, and for good reason. It offers reliable, quiet, and efficient cleaning, all packed into Eufy’s slimmest design. Getting a “like-new” unit means you enjoy all the benefits of this award-winning vacuum at a fraction of the cost.
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Key Features:
- Certified Refurbished: Professionally inspected and restored.
- Acclaimed as “Best Robot Vacuum of 2018” by Digital Trends.
- BoostIQ Technology for automatic suction increase.
- Up to 100 minutes of quiet, powerful suction (1300Pa).
- Premium anti-scratch tempered glass-top, infrared-sensor, and drop-sensing tech.
- Re-engineered to be the slimmest RoboVac (2.85″).
- Includes remote control, charging base, extra filters, and side brushes.
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Pros:
- Exceptional value for an award-winning model.
- Slim design for superior reach under furniture.
- Quiet operation and consistent cleaning power.
- Comes with a 3-month warranty for peace of mind.
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Cons:
- Being refurbished, it might have slight cosmetic wear.
- No smart app features.
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User Impressions: This refurbished 11S consistently earns high praise from users who appreciate its reliable cleaning and quiet operation. Many consider it the perfect entry-level robot vacuum, especially at the refurbished price point.
eufy C10 Robot Vacuum Self Emptying, 8 Weeks Hands Free

While not an 11S, the Eufy C10 represents a significant leap in convenience for those considering an upgrade or simply looking for a more hands-free cleaning solution. Its standout feature is the self-emptying station, which allows you to forget about emptying the dustbin for up to 60 days! With powerful suction and intelligent laser navigation, this robot vacuum is a head-turner for anyone wanting advanced features beyond what the 11S series offers.
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Key Features:
- Self-Empty Station: Automatically empties dust bin into a 3L dust bag (lasts 60 days).
- 4,000 Pa powerful suction, ideal for pet hair and various messes.
- Unique CornerRover Arm for thorough corner cleaning.
- Laser Navigation for optimized cleaning paths.
- Slim 2.85-inch design to reach under furniture.
- APP control (supports 2.4GHz WiFi), remote control not included.
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Pros:
- Exceptional hands-free convenience with self-emptying.
- Very powerful suction and efficient laser navigation.
- Innovative CornerRover arm for superior edge cleaning.
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Cons:
- Higher price point than the 11S series.
- Requires 2.4GHz WiFi for app control (no remote).
- Not an 11S model, so consider if these advanced features are a must-have.
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User Impressions: Users rave about the self-emptying feature, calling it a “game-changer” for daily chores. The powerful suction and smart navigation also receive high marks, making it a favorite for pet owners and busy households.
FirstPower 3200mAh Compatible with Eufy Battery Replacement

Another excellent option for breathing new life into your Eufy RoboVac is this 3200mAh replacement battery from FirstPower. Specifically designed for Eufy models with a 3-prong connector, it offers an upgraded capacity for longer cleaning sessions. Replacing your aging battery is one of the most effective ways to ensure your existing Eufy 11S continues to provide optimal performance, letting you avoid buying a whole new unit!
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Key Features:
- Compatible with Eufy RoboVac 11, 11S, 11S MAX, 11S PLUS, 12, 15C, 15C MAX, 15T, 25C, 25C MAX, 30, 30C, 30 MAX, 35C; G series and Ecovacs Deebot N79/S.
- Important: For 3-Prong Connector only; NOT for 2-Prong.
- 14.4V Lithium | 3.2Ah upgraded capacity for 120-180 minutes runtime.
- Fast & safe charging with built-in protection (overcharge, over-discharge, etc.).
- Easy 2-minute installation.
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Pros:
- Upgraded capacity provides extended cleaning time.
- Broad compatibility with many Eufy models (check connector).
- Robust safety features for reliable use.
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Cons:
- Strictly for 3-prong connectors, requiring users to verify their current battery.
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User Impressions: Users are highly satisfied with the increased runtime this battery provides, often noting that their RoboVac can now clean their entire home on a single charge. The easy installation is also a frequently praised point.
Upgraded 4000mAh N79 14.4V Battery for Eufy RoboVac 11

For those seeking the absolute maximum runtime for their Eufy RoboVac 11S or similar models, this upgraded 4000mAh battery is a top contender. With an impressive capacity, it promises an ultra-long running time of up to 180 minutes, ensuring your robot can tackle even the largest homes without needing a mid-clean recharge. This is another fantastic way to get a phenomenal deal on Eufy 11S longevity and performance.
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Key Features:
- Upgraded 4000mAh lithium-ion capacity for 120-180 minutes runtime.
- Compatibility: Eufy RoboVac 30C, 11, 11S, 11S MAX, 30, 12, 15T, 15C, 15C MAX, 35C, and Ecovacs Deebot N79S, N79.
- Crucial: Must have a 3-prong plug like the product image.
- Built-in intelligent CC CV charging circuit for comprehensive protection.
- 1000+ recharge cycles for a long lifespan.
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Pros:
- Highest capacity on our list, offering the longest possible runtime.
- Extremely long cycle life (up to 1000+ cycles).
- Comprehensive safety features.
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Cons:
- Requires verification of a 3-prong plug.
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User Impressions: Reviewers are consistently impressed by the extended cleaning sessions this battery enables. It’s particularly popular among owners of larger homes or those who need their robot to run for longer periods without interruption.
Replacement Parts Accessories Kit for eufy robovac 11S, 12

Another excellent choice for maintaining your Eufy 11S (standard model) is this replacement parts accessory kit. It’s packed with all the essentials you need to keep your RoboVac operating at peak performance. Regular replacement of brushes and filters is crucial for efficient cleaning and prolonging the life of your device, making this kit an investment in your vacuum’s health and helping you save money in the long run.
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Key Features:
- Guaranteed Compatibility: Eufy RoboVac 11S, 12, 15T, 15C, 25C, 30, 30C, 35C Slim.
- Important: NOT Compatible with RoboVac 11S Max, 15C Max, 30C Max.
- Valuable Package: Contains 1 roller brush, 4 filters, 4 side brushes, 1 pre-filter, and 1 cleaning tool.
- Made from premium materials for durability and long-lasting performance.
- Easy to install; refresh every 2-3 months for peak performance.
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Pros:
- Specifically designed for the standard Eufy 11S and similar models.
- Comprehensive kit offers great value.
- High-quality parts restore strong suction and cleaning power.
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Cons:
- Strict compatibility requires careful model checking.
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User Impressions: This kit is highly recommended by users who want to extend the life of their original 11S models. They find the parts fit perfectly and significantly improve their vacuum’s ability to pick up dirt and debris.
Frequently Asked Questions About Eufy RoboVacs
Q1: What’s the main difference between the Eufy 11S and the 11S Max?
A1: The primary difference is suction power. The 11S Max offers significantly stronger suction (2000Pa) compared to the original 11S (1300Pa), making it more effective on carpets and for picking up heavier debris. Both maintain the popular slim design and quiet operation, but the 11S Max is generally an upgrade in cleaning performance.
Q2: How often should I replace my Eufy 11S accessories like filters and brushes?
A2: For optimal performance, Eufy recommends replacing filters every 2-3 months and side brushes every 3-6 months. The main rolling brush might last longer, but it’s good to inspect it regularly for tangled hair or wear and replace it every 6-12 months. Regular maintenance ensures your RoboVac continues to clean effectively.
Q3: Is buying a refurbished Eufy 11S a good idea to get the best deal?
A3: Absolutely! Certified refurbished Eufy 11S or 11S Max models are an excellent way to get a high-quality robot vacuum at a lower price. These units are professionally inspected, tested, and restored to full working order. While they might have minor cosmetic imperfections, their performance is guaranteed to be “like new,” offering fantastic value.
Q4: How long does the Eufy 11S battery typically last on a single charge?
A4: The original Eufy 11S and 11S Max models typically provide up to 100 minutes of cleaning on hardwood floors in standard mode. Using BoostIQ mode or cleaning on carpets will consume more power, potentially reducing runtime. Over time, battery capacity can decrease, which is why replacement batteries are a popular accessory.
Q5: Does the Eufy 11S series work well on both hard floors and carpets?
A5: Yes, both the Eufy 11S and 11S Max are designed to work effectively on various floor types. They perform exceptionally well on hard floors (hardwood, tile, laminate). While they can clean low to medium-pile carpets, the 11S Max, with its stronger suction, tends to be more efficient on carpeted surfaces due to its increased power.
Q6: Can I control my Eufy 11S with a smartphone app or voice commands?
A6: No, the Eufy RoboVac 11S and 11S Max models do not support Wi-Fi connectivity or app control. All operations are managed via the included remote control and the physical buttons on the vacuum itself. If app control and smart features are a priority, you’d need to look at other Eufy models like the Eufy C10 or G series.
Q7: What is Eufy’s BoostIQ Technology and how does it benefit my cleaning?
A7: BoostIQ Technology is a feature in Eufy RoboVacs that automatically increases suction power within 1.5 seconds when it detects a higher level of dirt or transitions from a hard floor to carpet. This ensures your vacuum always applies the optimal suction for a thorough clean without you having to manually adjust settings, making your cleaning routine even more efficient.
Finding the best deal on Eufy 11S means more than just a low price tag on the vacuum itself. It’s about smart purchasing, whether that’s choosing a refurbished model, investing in quality replacement parts to extend its life, or upgrading to a model that fits your evolving cleaning needs. We hope this guide helps you make the perfect choice for your home!



