Is your trusty eufy RoboVac 11S starting to lose its pep? Does it barely finish a single room before needing a recharge, or worse, just sits there beeping sadly? Chances are, your eufy RoboVac 11S battery is nearing the end of its life. But don’t despair! Replacing the battery is an easy, cost-effective way to bring your robot vacuum back to its former glory.
In this guide, we’ve rounded up the top 10 replacement options for your eufy RoboVac 11S battery, along with options for many other compatible Eufy and Ecovacs models. We’ll dive into what makes each one stand out, so you can pick the perfect power pack to keep your floors spotless. Let’s get your robot rolling again!
1. Upgraded 4000mAh N79 14.4V Battery for Eufy RoboVac 11…
This upgraded 4000mAh battery is a powerhouse designed to give your RoboVac a significant boost in runtime. If you’ve been frustrated by your vacuum cutting out mid-clean, this unit promises an impressive 120 to 180 minutes of cleaning, easily tackling larger homes. It’s built with safety in mind, ensuring your robot vacuum operates smoothly and securely.
Key Features:
– Upgraded 4000mAh capacity for extended runtime (120-180 minutes)
– Compatible with a wide range of Eufy RoboVac models (11, 11S, 11S MAX, 30, 30C, 12, 15T, 15C, 15C MAX, 35C) and Ecovacs Deebot N79S, N79
– Built-in intelligent CC CV charging circuit with comprehensive protection (overcharge, over-discharge, over-current, overvoltage)
– Certified with CE FCC ROHS for safety and quality
– Offers 1000+ recharge cycles for long-lasting use
Pros:
– Significantly extended cleaning time
– Broad compatibility with multiple robot vacuum models
– Enhanced safety features for peace of mind
– High number of recharge cycles ensures durability
– Comes with a generous warranty
Cons:
– Compatibility requires checking for a 3-prong plug, which might cause initial confusion
– Actual runtime can vary based on machine model and age
User Impressions:
Customers frequently praise the noticeable increase in runtime, stating their vacuums now clean their entire homes without needing a mid-cycle recharge. The robust build and safety certifications are also a big plus for users looking for a reliable replacement.
2. FirstPower 3200mAh Compatible with Eufy Battery Replacement…
The FirstPower 3200mAh replacement battery offers a solid balance of performance and compatibility. Designed specifically for the 3-prong connector found in many Eufy RoboVac models, it ensures easy installation and reliable operation. With its upgraded capacity, your robot will enjoy a decent run time, making quick work of daily cleaning tasks.
Key Features:
– 3200mAh Lithium-ion battery for a runtime of 120-180 minutes
– Compatible with many 3-Prong Connector Eufy models (11, 11S, 11S MAX, 12, 15C, 15C MAX, 15T, 25C, 30, 30C, 35C) and Ecovacs Deebot N79, N79S
– Built-in protection against overcharge, over discharge, over current, and short circuit
– Maintains over 95% capacity after 500 cycles of use
– Easy 2-minute installation process
Pros:
– Good balance of capacity and compatibility
– Quick and safe charging
– Excellent long-term durability with high cycle retention
– Simple, user-friendly installation
Cons:
– Not compatible with 2-prong connectors, requiring careful pre-purchase verification
– Capacity is slightly lower than some 4000mAh options
User Impressions:
Many users appreciate the straightforward installation and the immediate improvement in their robot’s cleaning duration. It’s often highlighted as a reliable, direct replacement that performs as well as the original, if not better.
3. eufy Accessories Replacement Battery Pack, Compatible with…
When it comes to official accessories, eufy’s own replacement battery pack offers the ultimate peace of mind. This genuine eufy RoboVac 11S battery ensures perfect compatibility and adheres to the brand’s stringent quality standards. If you prioritize reliability and manufacturer-backed support, this is an excellent choice for keeping your robot vacuum at peak performance.
Key Features:
– Authentic eufy accessory, guaranteeing perfect fit and function
– Wide compatibility with Eufy G40 series, G30 series, RoboVac 11, 11S, 11S Plus, 11S MAX, 12, 15C, 15C MAX, G10 Hybrid, G20, G35, G35+
– Made with high-quality battery cells and top-tier safety features (short circuiting, overcharging, over-discharging, overheating)
– Easy-to-install design
– Dedicated 24/7 after-sale customer service
Pros:
– Guaranteed perfect compatibility and performance as an official product
– High-quality cells and robust safety features
– Excellent customer support
– Simple installation process
Cons:
– Capacity details (mAh) are not explicitly listed in the provided features, which might be a concern for some users comparing specs
– Potentially higher price point than third-party alternatives
User Impressions:
Customers who opt for the official eufy battery often commend its flawless integration and dependable performance. The comfort of knowing it’s a genuine part, backed by eufy’s warranty and support, is a significant selling point for many.
4. ARyee 14.4v 4000mAh Upgraded Replacement Battery Compatible…
ARyee offers an upgraded 4000mAh replacement battery that’s built to bring new life to your robot vacuum. This high-capacity Li-ion unit ensures extended cleaning sessions, allowing your RoboVac to cover more ground. It’s packed with safety certifications and protections, making it a reliable choice for long-term use.
Key Features:
– High-capacity 4000mAh Li-ion battery for extended runtime
– Widely compatible with Eufy RoboVac models (11, 11S, 11S MAX, 15T, 30, 30C Max, 15C, 25C, 12, 35C, G30 series) and Ecovacs Deebot N79, N79S, DN622
– CE, FCC, PSE, RoHS Safe Certified for enhanced safety
– Built-in multiple protections (overload, overvoltage, overcurrent, short circuit, overheating)
– No memory effects and easy 2-minute installation
– Satisfaction service for customer peace of mind
Pros:
– Impressive 4000mAh capacity for long cleaning cycles
– Extensive compatibility with various robot models
– Comprehensive safety certifications and protections
– Easy and quick installation
– Good customer support commitment
Cons:
– Requires initial full charge for optimal first use
– No specific runtime estimate provided, though 4000mAh usually indicates long duration
User Impressions:
Reviewers frequently highlight how this battery transforms their robot’s cleaning capabilities, with many reporting significantly longer cleaning times. The ease of installation and the included safety features are also highly praised, making it a popular choice.
5. Upgraded 14.4V Replacement for Eufy 11s Battery, Fit…
This upgraded 14.4V battery is designed to outperform standard replacements, offering a 2600mAh capacity that promises 20-30% longer runtime than many market competitors. It’s an ideal choice for users looking for a robust and safe power solution that’s simple to install and built for durability, ensuring your robot vacuum can clean larger areas effectively.
Key Features:
– 2600mAh +400 (implying 3000mAh equivalent, but listed as 2600mAh) high-capacity 4-cell lithium battery
– Delivers 20-30% longer runtime compared to other market batteries
– Wide compatibility with Ecovacs Deebot N79S, N79 and Eufy RoboVac 11, 11S, 11S MAX, 12, 15C, 15T, 25C, 30, 30C MAX, 35C, G10 Hybrid, G30 series
– Enhanced safety and durability with premium-grade Li-ion cells and integrated circuit protection
– Robust casing for shock resistance and stable performance over 600+ charge cycles
– Professional and responsible customer service with a 12-month warranty
Pros:
– Enhanced runtime compared to many standard options
– Comprehensive compatibility
– Excellent safety and durability features
– Easy installation
– Strong customer support and warranty
Cons:
– The listed capacity of “2600mAh +400” can be a bit confusing; clearer communication of total mAh would be beneficial
– While improved, some competitors offer higher capacities (e.g., 4000mAh)
User Impressions:
Customers find this battery to be a reliable upgrade, often noting the extended cleaning sessions and robust build quality. The easy installation is a recurring theme, and the customer service responsiveness is a plus for many.
6. Replacement Battery for Eufy RoboVac 11, 11S, 30, 30C,…
This replacement battery offers a reliable 14.4V 3000mAh capacity, designed to provide consistent performance for your robot vacuum. It’s built with safety at its core, featuring multiple protections to ensure secure operation. If you’re looking for a dependable replacement that can handle up to 500 charge cycles, this option delivers solid runtimes for everyday cleaning.
Key Features:
– 14.4V 3000mAh premium rechargeable battery
– Compatible with Ecovacs Deebot N79S, N79 and Eufy RoboVac 11, 11S, 11S MAX, 12, 15C, 15T, 25C, 30, 30C MAX, 35C, G10 Hybrid, G30 series
– Reliable safeguard features against short circuit, over voltage, overheat, and overcurrent
– Usable for up to 500 cycles, providing 120 to 180 minutes per charge
– Easy installation process
Pros:
– Good 3000mAh capacity for extended cleaning
– Comprehensive safety features
– Broad compatibility with various popular models
– Decent number of charge cycles for durability
– Simple installation
Cons:
– Capacity is mid-range; some users might prefer higher (e.g., 4000mAh) options
– No specific warranty information provided in the features
User Impressions:
Users generally report a significant improvement in their vacuum’s runtime and overall efficiency after installing this battery. The straightforward installation is often highlighted, along with the consistent cleaning performance.
7. 14.4v Vacuum Robot Battery Replacement: for Eufy Robovac…
This vacuum robot battery replacement stands out with its 3200mAh capacity and a commitment to longevity, retaining over 95% capacity after 500 cycles. It’s engineered with an adaptive chip for stable current and voltage, ensuring your robot vacuum operates smoothly without adverse effects. Plus, its wide compatibility even extends to some Shark Ion models, offering broad appeal.
Key Features:
– 14.4V 3200mAh premium Li-ion rechargeable battery
– Extended run time of 120 to 180 minutes per charge
– Wide compatibility with Eufy RoboVac models (11, 11S, 11S MAX, 12, 15C, 15T, 25C, 30, 30C MAX, 35C, G10 Hybrid, G30 series) and Ecovacs Deebot N79S, N79, and even Shark Ion RV750
– Premium battery with high-quality rechargeable cells and an adaptive chip
– Retains over 95% capacity after 500 cycles of use
– Equipped with reliable safeguard features against short circuits, overvoltage, overheating, and overcurrent
– Easy to use and perfect fit installation
Pros:
– High capacity for long cleaning sessions
– Excellent long-term capacity retention
– Very wide compatibility, including some non-Eufy models
– Advanced adaptive chip for stable performance
– Comprehensive safety protections
Cons:
– Specific technical details about the “adaptive chip” might be vague for some users
– While wide, always double-check the connector type
User Impressions:
Customers love the extended run time and the fact that it revitalizes their robot vacuums, making them perform like new. The compatibility with multiple brands is also a big plus, and the ease of installation is consistently mentioned.
8. Lithium Hellas 14.4V 3000mAh Lithium Battery Compatible…
The Lithium Hellas 3000mAh battery promises extended runtime efficiency with up to 150-200 minutes of cleaning, ensuring your robot can tackle large homes in one go. Manufactured with high-quality lithium-ion cells and an advanced smart chip, it’s designed for stable voltage/current output and long-lasting reliability, making it a robust choice for your robot vacuum.
Key Features:
– 14.4V 3000mAh lithium battery with premium high-capacity performance
– Up to 150-200 minutes of uninterrupted cleaning time
– Compatibility with RoboVac 11, 11C, 11S Plus, 11S MAX, 12, 15C, 15C MAX, 15T, 25C, 30C, G10 Hybrid, G30 Edge, R500, R450, and N79, N79S, N95, DN622, 661
– Advanced smart chip ensures stable voltage/current output
– Maintains less than 5% capacity loss after over 500 charging cycles
– Built-in safeguards against short circuits, over-voltage, over-current, and overheating
– Tool-free installation for a perfect fit
Pros:
– Excellent extended runtime
– High-quality cells and smart chip for stable performance
– Impressive capacity retention after many cycles
– Comprehensive advanced safety protection
– Tool-free and very easy installation
Cons:
– While “tool-free,” users might still need a screwdriver for the vacuum’s battery cover, so this claim should be taken with a grain of salt
– Mid-range capacity compared to 4000mAh options
User Impressions:
Users are particularly impressed with the long cleaning sessions provided by this battery. The “tool-free” installation is a highlight, and the overall reliability and consistent performance receive positive feedback.
9. Topwowe 3200mAh Replacement Battery Compatible with Eufy…
The Topwowe 3200mAh replacement battery is a reliable power source for your robot vacuum, emphasizing wide compatibility and a crucial 3-prong connector check. This Li-ion battery is designed to provide consistent cleaning power, ensuring your Eufy RoboVac is always ready for action. It even comes with an installation screwdriver, making the replacement process a breeze.
Key Features:
– 3200mAh Li-ion battery with 14.4V voltage
– Wide compatibility with Eufy RoboVac 11, 11S, 11S MAX, 30, 30C, 35C, 15C, 15T, G10 Hybrid, G20, G30 series and Ecovacs Deebot N79, N79S
– Explicitly highlights the need for a 3-prong connector for compatibility
– Easy to install with clear instructions and included screwdriver
– Package includes the battery and an installation screwdriver
Pros:
– Decent 3200mAh capacity for good runtime
– Broad compatibility with popular Eufy and Ecovacs models
– Clear guidance on connector type prevents purchase errors
– Comes with a screwdriver, making installation hassle-free
– Simple and straightforward installation process
Cons:
– Not compatible with 2-prong versions, which some users might overlook
– No specific runtime or cycle life details provided
User Impressions:
Customers frequently commend the inclusion of the screwdriver, which simplifies the installation process immensely. The battery is generally reported to restore the vacuum’s original performance, providing reliable cleaning sessions.
10. 4000mAh Replacement Battery for Eufy RoboVac 11 11S 30…
If your RoboVac is showing signs of fatigue, this 4000mAh replacement battery is designed to make it “work like new,” restoring original runtime and extending cleaning sessions significantly. It’s a game-changer for common robot vacuum problems like lagging performance or constant beeping. With tool-included installation and robust safety features, it’s an excellent all-around choice. This particular eufy RoboVac 11S battery is a top contender for max power!
Key Features:
– 4000mAh upgraded extended capacity for 120-180 minutes runtime
– Specifically designed to fix common vacuum problems (no charge, red light, constant beeps, short runtime)
– Compatible with Eufy RoboVac 11, 11S, 11S MAX, 12, 15C, 15T, 25C, 30, 30C, 35C, G10 Hybrid, G20, G30 series, R500, R450; Deebot N79, N79S; Goovi, Amarey, Coredy, Tesvor models
– Easy 2-minute installation with a TOOL INCLUDED
– Fast & safe charging with top A grade lithium cells and built-in protection (overcharge, over discharge, over current, short circuit)
– Retains less than 5% loss after 500 cycles of use
Pros:
– Max capacity (4000mAh) for super extended cleaning
– Addresses specific robot vacuum performance issues
– Extremely wide compatibility across multiple brands and models
– Includes installation tool for convenience
– Excellent safety features and long cycle life
– Guaranteed to restore original or better runtime
Cons:
– The extensive compatibility list requires careful confirmation of your specific model and connector type (3-prong only)
– No specific warranty period mentioned
User Impressions:
Users are consistently impressed with how this battery revitalizes their robot vacuum, citing a dramatic improvement in runtime and the disappearance of prior issues. The included tool and the ease of installation are major benefits, making it a highly recommended upgrade.
FAQ Section: Keeping Your Robot Vacuum Rolling
Got more questions about replacing your Eufy RoboVac 11S battery? We’ve got answers!
Q1: How do I know if my Eufy RoboVac 11S battery needs replacing?
A: Common signs include significantly reduced cleaning time (e.g., it used to run for 90 minutes, now it only runs for 30), the robot struggling to return to its charging dock, error messages related to charging, or the vacuum simply not holding a charge at all. If your robot vacuum seems less powerful or dies quickly, it’s likely time for a new battery.
Q2: Are all Eufy RoboVac 11S replacement batteries the same?
A: Not at all! While many are compatible, they vary in capacity (mAh), brand, safety features, and sometimes even the connector type (most Eufy RoboVac 11S models use a 3-prong connector, but it’s crucial to check your original battery). Higher mAh generally means longer runtime.
Q3: How long does a replacement eufy robovac 11s battery typically last?
A: Most high-quality lithium-ion replacement batteries for the Eufy RoboVac 11S are rated for 500-1000 charge cycles. This typically translates to 1-2 years of consistent use, depending on how often you run your vacuum. Factors like deep discharge cycles and extreme temperatures can affect its lifespan.
Q4: Is it hard to install a new battery for my Eufy RoboVac 11S?
A: Not at all! For most Eufy RoboVac models, replacing the battery is surprisingly simple. You usually just need a Phillips head screwdriver to remove a couple of screws on the bottom panel, unplug the old battery connector, and plug in the new one. Many replacement batteries even come with the necessary tool. It usually takes just a few minutes.
Q5: What does “mAh” mean, and why is it important for a robot vacuum battery?
A: “mAh” stands for milliampere-hour, and it’s a unit of electric charge. For batteries, it indicates the capacity – essentially, how much energy the battery can store. A higher mAh rating means the battery can hold more charge, leading to a longer runtime for your robot vacuum. For instance, a 4000mAh battery will generally run longer than a 2600mAh battery.
Q6: Can I use a battery with a higher mAh capacity than my original Eufy RoboVac 11S battery?
A: Yes, absolutely! As long as the voltage (usually 14.4V) and the connector type are compatible, using a battery with a higher mAh capacity is a great way to extend your robot vacuum’s cleaning time. Your RoboVac will only draw the power it needs, and the higher capacity simply means it can draw that power for a longer duration before needing a recharge.
Q7: Should I buy an official Eufy battery or a third-party replacement?
A: Both have their merits. Official Eufy batteries offer guaranteed compatibility and brand-backed quality/warranty. Third-party batteries, especially those from reputable brands, can often offer higher capacities (like 4000mAh) at a more competitive price. Always check reviews, compatibility, and safety certifications when choosing a third-party option to ensure quality.
Give Your RoboVac a New Lease on Life!
Don’t let a dying battery sideline your helpful robot vacuum. A fresh eufy RoboVac 11S battery is a simple and effective upgrade that can instantly restore its cleaning prowess. With so many great options available, you’re sure to find the perfect power source to keep your home sparkling clean. Happy vacuuming!
