Has your trusty Eufy RoboVac 30C started losing its pep? Is it giving up on cleaning mid-cycle, or struggling to make it back to its charging dock? Chances are, your robot vacuum’s battery is waving the white flag. Just like any rechargeable device, the eufy robovac 30c battery has a finite lifespan, and eventually, it’ll need a refresh.
But don’t despair! You don’t need to shell out for a whole new robot vacuum cleaner. Replacing the eufy robovac 30c battery is a straightforward and cost-effective way to get your automated helper cleaning like new again. With a fresh battery, your RoboVac will once again tackle every nook and cranny of your home with extended run times and reliable performance.
To help you navigate the options, we’ve rounded up 7 top-rated replacement batteries, focusing on capacity, compatibility, safety features, and user satisfaction. Let’s get your RoboVac back in tip-top shape!
1. FirstPower 3200mAh Compatible with Eufy Battery Replacement…

If you’re looking for a robust upgrade to your Eufy RoboVac’s cleaning stamina, the FirstPower 3200mAh battery is a fantastic contender. This replacement unit stands out with its slightly enhanced 3.2Ah capacity, promising to extend your robot’s cleaning sessions. It’s engineered for quick charging and boasts impressive longevity, designed to retain most of its capacity even after hundreds of charge cycles, making it a reliable choice for long-term use.
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, G10 Hybrid, G20, G30, G30 Edge, G30 Hybrid, G30 Verge, G40+, G40Hybrid+; and Ecovacs Deebot N79, N79S, DN622 (3-Prong Connector only).
– 3.2Ah Upgraded Capacity (14.4V Lithium) for extended run time (120-180 minutes).
– Fast & Safe Charge: Fully charges in about 3 hours with built-in protection against overcharge, over discharge, over current, and short circuit.
– Maintains over 95% capacity after 500 cycles.
– Easy 2-minute installation process.
Pros:
– Higher 3.2Ah capacity offers longer cleaning sessions.
– Excellent cycle life ensures durability.
– Comprehensive safety features provide peace of mind.
– Simple installation procedure.
Cons:
– Only compatible with 3-prong connectors, so double-check your original.
User Impressions:
Customers frequently praise this battery for restoring their robot vacuums to “like-new” performance, noting a significant improvement in cleaning duration. Many appreciate the straightforward installation and the noticeable boost in their RoboVac’s ability to cover larger areas.
2. 14.4v Vacuum Robot Battery Replacement: for Eufy Robovac…

This versatile replacement battery is designed to breathe new life into a wide array of robot vacuum models, including your Eufy RoboVac 30C. What makes it noteworthy is its commitment to quality, featuring high-grade rechargeable cells and an “adaptive chip” for stable current and voltage delivery. This isn’t just about power; it’s about protecting your robot and ensuring consistent performance over hundreds of cleaning cycles.
Key Features:
– Wide compatibility including Eufy RoboVac 11, 11S, 11S MAX, 11S PLUS, 12, 15C, 15C MAX, 15T, 25C, 30, 30C MAX, 35C, G10 Hybrid, G30, G30 Edge, G30 Hybrid, G30 Verge, G20, R500, R450; Ecovacs Deebot N79S, 500, N79, N79SE, N79W, DN622; and Shark Ion RV750.
– Premium Li-ion rechargeable cells (14.4V 3200mAh) with adaptive chip.
– Long Battery Life: Provides 120 to 180 minutes of cleaning per charge.
– Retains over 95% capacity after 500 cycles.
– Safety Battery: Built-in protection against short circuits, overvoltage, overheating, and overcurrent.
– Easy to use and a perfect fit for installation.
– 100% customer satisfaction guarantee.
Pros:
– Exceptionally wide compatibility.
– Premium internal components for stable performance.
– Robust safety features.
– Strong customer support and satisfaction guarantee.
Cons:
– Capacity is standard (3200mAh), not the highest available.
User Impressions:
Reviewers often highlight the broad compatibility and the noticeable improvement in their vacuum’s run time. The peace of mind offered by the safety features and the responsive customer service also receive positive mentions.
3. Replacement Battery for Eufy RoboVac 11, 11S, 30, 30C,…

This replacement battery focuses on delivering solid, dependable power for your Eufy RoboVac 30C and many other popular models. It’s a no-frills option that gets the job done, promising consistent run times and essential safety features to protect both the battery and your robot vacuum. Its compatibility list is extensive, making it a good choice if you own multiple robot vacuum brands that share similar battery specifications.
Key Features:
– Wide Compatibility: Works with Ecovacs Deebot N79S, 500, N79, N79SE, N79W, DN622, DN622.11 and Eufy RoboVac 11, 11S, 11S MAX, 11S PLUS, 12, 15C, 15C MAX, 15T, 25C, 30, 30C MAX, 35C, 25C Max, G10 Hybrid, G30, G30 Edge, G30 Hybrid, G30 Verge, G20, R500, R450.
– Premium 14.4V 3000mA rechargeable battery.
– Long-lasting: Up to 500 cycles, providing 120 to 180 minutes per charge.
– Safety Battery: Built-in protection for short circuit, output overvoltage, overheat, and output overcurrent.
– Easy to install by simply connecting the new battery.
Pros:
– Very broad compatibility with both Eufy and Ecovacs models.
– Standard capacity offers reliable run times.
– Essential safety features are included.
– Straightforward installation.
Cons:
– Slightly lower capacity (3000mAh) compared to some other options.
User Impressions:
Customers appreciate the ease of installation and the immediate return to full power for their robot vacuums. Many find it to be a reliable and affordable option for extending the life of their devices.
4. Upgraded 4000mAh N79 14.4V Battery for Eufy RoboVac 11…

When you really want to maximize your cleaning time, the Upgraded 4000mAh N79 14.4V Battery is a game-changer. This battery boasts a significantly higher capacity than most standard replacements, potentially offering even longer cleaning sessions for your Eufy RoboVac 30C. Beyond just power, it emphasizes longevity with an impressive 1000+ cycle life and comprehensive safety certifications, ensuring both performance and peace of mind.
Key Features:
– Upgraded 4.0Ah Capacity (4000mAh real capacity) for ultra-long running time (120 to 180 minutes, often longer).
– Compatibility: Eufy RoboVac 30C, 11, 11S, 11S MAX, 30, 12, 15T, 15C, 15C MAX, 35C; Conga Excellence 990; DEEBOT N79S, N79 (3-prong plug required).
– Safety and Stability: Built-in intelligent CC CV charging circuit with protection against overcharges, over-discharge, over-current, and overvoltage. CE FCC ROHS certificates.
– 1000+ Recharge Cycles: Long lifespan with no memory effect and low self-discharge rate.
– Worry-free purchase: 30 days full refund/return, 365 days limited warranty, 24 hours service.
Pros:
– Significantly higher 4000mAh capacity for maximum run time.
– Exceptional 1000+ cycle life, promising long-term value.
– Comprehensive safety certifications for enhanced security.
– Strong warranty and customer service.
Cons:
– Requires careful verification of the 3-prong connector type.
User Impressions:
Users frequently rave about the extended cleaning duration this battery provides, often noting that their robot vacuum can now complete an entire floor without needing to recharge. The perceived quality and the added warranty are also highly valued.
5. Lithium Hellas 14.4V 3000mAh Lithium Battery Compatible…

The Lithium Hellas replacement battery delivers a solid 3000mAh of power, crafted with high-quality lithium-ion cells and an advanced smart chip for stable and consistent energy delivery. What truly sets this one apart is its emphasis on “Tool-Free Installation,” promising a hassle-free swap that gets your Eufy RoboVac 30C back to work in mere seconds. It’s built for efficiency and safety, offering reliable performance with minimal fuss.
Key Features:
– Wide Compatibility: 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, and 661.
– Premium High-Capacity Performance: 14.4V 3000mAh lithium battery with high-quality cells and advanced smart chip.
– Extended Runtime Efficiency: Up to 150-200 minutes of uninterrupted cleaning time.
– Advanced Safety Protection: Built-in safeguards against short circuits, over-voltage, over-current, and overheating.
– Tool-Free Installation & Perfect Fit: Replace your old battery in seconds, no tools required.
– Maintains less than 5% capacity loss after over 500 charging cycles.
Pros:
– True “tool-free” installation for ultimate convenience.
– Excellent extended runtime, up to 200 minutes.
– Advanced smart chip ensures stable voltage/current.
– Robust safety features for peace of mind.
Cons:
– Capacity is 3000mAh, not as high as the 4000mAh options.
User Impressions:
Customers love how easy this battery is to install, often mentioning that it genuinely takes just moments. The impressive run time and the smooth, consistent operation of their robot vacuums after the swap are also frequently highlighted.
6. 4000mAh Replacement Battery for Eufy RoboVac 11 11S 30…

If your Eufy RoboVac 30C has been exhibiting symptoms like a red charging light, constant beeping, or simply poor performance, this 4000mAh replacement battery aims to be the ultimate solution. This battery not only offers an upgraded, extended capacity for maximum run time but also comes with a crucial bonus: the installation tool is included! It’s designed to restore your vacuum to its original runtime, making those “performance lagging” days a distant memory.
Key Features:
– “WORKS LIKE NEW” with upgraded 4000mAh capacity (14.4V Lithium).
– Resolves common vacuum problems like no charge, red light, beeping, and low run time.
– Easy to Install: 2 mins installation with TOOL INCLUDED.
– Fast & Safe Charge: Compatible with original charging station, built-in protection against overcharge, over discharge, over current, short circuit.
– Long Battery Life: 120-180 minutes of cleaning per charge, less than 5% capacity loss after 500 cycles.
– Extensive Compatibility: Eufy RoboVac 11, 11S, 11S MAX, 11S PLUS, 12, 15C, 15C MAX, 15T, 25C, 30, 30C, 30 MAX, 35C; G10 Hybrid, G20, G30, G30 Edge, G30 Hybrid, G30 Verge; G40+, G40Hybrid+, R500, R450; Deebot N79, N79S, N79W, N95, DN622, 621,600, 601, 605, 661, 500, DO3G; Goovi F007C, D380, D382; Amarey A800, A900; Coredy R300, R500, R500+, R580, R600, R650, R3500, R3500S; Tesvor X500, X500 Pro (3-prong connector only).
Pros:
– Impressive 4000mAh capacity for extended cleaning.
– Includes installation tool, making the process even easier.
– Specifically targets and resolves common robot vacuum battery issues.
– Wide-ranging compatibility beyond just Eufy.
Cons:
– Requires verifying the 3-prong connector type.
User Impressions:
This battery frequently earns praise for its high capacity and the noticeable extension of cleaning cycles. The inclusion of the installation tool is a big hit, simplifying the replacement process for many. Users report that their vacuums truly “work like new” again.
7. Topwowe 3200mAh Replacement Battery Compatible with Eufy…

The Topwowe 3200mAh replacement battery is a reliable choice for your Eufy RoboVac 30C, emphasizing clear compatibility and an easy installation process. This battery ensures your robot vacuum gets the power it needs for effective cleaning sessions, backed by standard safety protocols. It stands out by explicitly highlighting its 3-prong connector requirement and even includes an installation screwdriver in the package, making it an excellent all-in-one solution for first-time replacers.
Key Features:
– Battery Specification: Rechargeable Li-ion Battery, 3200mAh Capacity, 14.4V Voltage.
– Wide Compatibility: Eufy RoboVac 11, 11S, 11S MAX, 30, 30C, 35C, 15C, 15T, G10 Hybrid, G20, G30, G30 Edge, G30 Hybrid; Ecovacs Deebot N79, N79S, 500, DN622.
– 3-Prong Connector: Explicitly clarifies compatibility, encouraging users to confirm their original battery type.
– Easy to Install: Simple step-by-step instructions provided, and an installation screwdriver included.
– Package Includes: 1 x 3200mAh battery, 1 x installation screwdriver.
Pros:
– Clear communication about 3-prong connector compatibility.
– Includes an installation screwdriver, a thoughtful addition.
– Standard 3200mAh capacity for reliable run times.
– Easy and guided installation process.
Cons:
– Not the highest capacity option available compared to 4000mAh units.
User Impressions:
Customers frequently comment on the helpful inclusion of the screwdriver, which makes the installation process incredibly smooth. The battery is praised for its quick restoration of vacuum performance and for providing consistent cleaning power.
Frequently Asked Questions (FAQ)
Q1: How do I know when to replace my Eufy RoboVac 30C battery?
A1: Common signs include significantly reduced run time (it cleans for much shorter periods), the robot failing to complete its cleaning cycle, having trouble returning to its charging dock, or displaying error lights related to power. If your vacuum isn’t holding a charge like it used to, it’s probably time for a new battery.
Q2: Is it difficult to install a new Eufy RoboVac 30C battery?
A2: Not at all! For most Eufy RoboVac models, including the 30C, battery replacement is very user-friendly. You typically just need a small Phillips head screwdriver to remove a couple of screws on the bottom, unplug the old battery, and plug in the new one. Many replacement kits even come with the necessary tool!
Q3: What’s the difference between 3000mAh, 3200mAh, and 4000mAh batteries?
A3: mAh stands for milliampere-hour, which is a unit of electric charge indicating the battery’s capacity. A higher mAh rating means the battery can store more energy, generally resulting in a longer run time for your robot vacuum on a single charge. For instance, a 4000mAh battery will likely offer a longer cleaning session than a 3000mAh one, assuming all other factors are equal.
Q4: Are these third-party batteries safe for my Eufy RoboVac?
A4: Yes, reputable third-party batteries are generally safe. Look for batteries with built-in safety features like protection against overcharge, over-discharge, over-current, and short circuits. Many also carry certifications like CE, FCC, or RoHS, indicating they meet certain safety and quality standards. Always purchase from trusted sellers and check user reviews.
Q5: How long should a new Eufy RoboVac 30C battery last?
A5: A new high-quality lithium-ion battery for your Eufy RoboVac 30C typically lasts between 120 to 180 minutes per charge, sometimes up to 200 minutes for higher capacity models. In terms of overall lifespan, most are rated for 500 to 1000+ charging cycles before experiencing significant capacity degradation. This usually translates to 1-2 years of regular use.
Q6: Can I use a battery with a different voltage than the original?
A6: No, it’s crucial to stick to the exact voltage specified for your Eufy RoboVac, which is typically 14.4V. Using a battery with a different voltage can damage your robot vacuum or prevent it from functioning correctly.
Q7: How can I maximize my robot vacuum battery’s lifespan?
A7: To extend your battery’s life, try to keep your robot on its charging base when not in use. Avoid fully discharging the battery often. If you’re storing the robot for an extended period, charge the battery to about 50-60% first, then store it in a cool, dry place, and recharge it every few months.
Q8: Do all Eufy RoboVacs use the same battery?
A8: No, not all Eufy RoboVacs use the exact same battery. While many popular models (like the 11S, 15C, 30C, G-series) share similar 3-prong connector batteries, some older or newer models might use different configurations (e.g., 2-prong connectors). Always double-check your specific RoboVac model number and the connector type of your original battery before purchasing a replacement.



