Choosing the right battery for your robot vacuum is crucial to maintain its efficiency and extend its runtime. This guide highlights top-rated replacement batteries compatible with popular robot vacuum models like Eufy RoboVac, Ecovacs Deebot, Shark Ion, and more. Each battery varies in capacity, voltage, and safety features to suit different cleaning needs. Below is a summary table featuring key details of the selected batteries.
| Battery | Capacity | Voltage | Compatibility | Runtime |
|---|---|---|---|---|
| Batryuic 4000mAh N79 Battery | 4000mAh | 14.4V | Eufy RoboVac 11 Series, Ecovacs Deebot N79 Series | 120-180 minutes |
| Cuzieey 3000mAh Replacement Battery | 3000mAh | 14.4V | Eufy RoboVac 11, 30C, Ecovacs Deebot N79 Series, Tesvor X500 | 120-180 minutes |
| ANHO Safe 2600mAh Battery | 2600mAh | 14.4V | Wide Ecovacs, Eufy RoboVac models & others | Approx. 100 minutes |
| Batryuic 3500mAh RVBAT850 for Shark | 3500mAh | 14.4V | Shark Ion RVBAT850, RV750 and related models | Not specified |
| Ruasiy 3200mAh Vacuum Robot Battery | 3200mAh | 14.4V | Eufy RoboVac, Ecovacs Deebot, Shark Ion RV750 & more | 120-180 minutes |
Batryuic 4000mAh N79 Battery for Eufy RoboVac and Ecovacs
This upgraded 4000mAh lithium-ion battery offers an impressive runtime of 120 to 180 minutes depending on your specific robot vacuum model and condition. The battery supports over 1000 charge cycles, ensuring a long service life. It features intelligent CC CV charging circuitry to prevent overcharge, over-discharge, over-current, and overvoltage, guaranteeing safety and stability. Compatible with a broad selection of Eufy RoboVac series and Ecovacs Deebot N79 models, it’s an ideal choice for extended cleaning sessions. Users should confirm a 3-prong plug connection to ensure compatibility.
Cuzieey 3000mAh Battery for Multiple Robot Vacuums
The Cuzieey 3000mAh battery is compatible with an extensive variety of models including Eufy RoboVac 11, 15C, 30C, and Ecovacs Deebot N79 variants, as well as Tesvor X500. It provides a reliable runtime of 120 to 180 minutes per full charge, maintaining operation for up to 500 charge cycles. Safety is assured with built-in protections against short circuits, output overvoltage, overheat, and overcurrent. This battery strikes a balance of capacity and safety for everyday robot vacuum users.
ANHO Safe 2600mAh Replacement Battery for Eufy and Ecovacs
This battery features genuine BYD OEM power cells, offering quality and longevity with a 2600mAh capacity that provides roughly 100 minutes of cleaning on a full charge. It includes advanced safety measures such as protection against short circuits and over-discharge thanks to a high-end BM3451 protection IC with 20 pins. Compatible with Eufy RoboVac series, Ecovacs Deebot, Shark models, Tesvor, Amarey, and others, this battery is an extensive multi-brand replacement option.
Batryuic 3500mAh RVBAT850 Battery for Shark Robot Vacuums
This 14.4V, 3500mAh battery is designed specifically for Shark robot vacuums such as the RVBAT850, RV750, and RV720. It includes a unique 2-in-1 plug system with both 2-prog and 3-prog connectors, increasing compatibility across Shark models. This rechargeable Li-ion battery supports the power demands of Shark’s vacuum cleaners and offers safety with stable voltage delivery. It simplifies replacement without worry of connector mismatches.
Ruasiy 3200mAh Battery for Eufy, Ecovacs and Shark
The Ruasiy replacement battery supports a wide range of robot vacuum brands including Eufy RoboVac, Ecovacs Deebot, Shark Ion, and others. Its 3200mAh premium Li-ion cells deliver 120 to 180 minutes of runtime per charge. The battery incorporates an adaptive chip to stabilize current and voltage, preventing damage to your vacuum’s electronics. It retains over 95% capacity after 500 cycles, making it suitable for long-term use with consistent performance.
Buying Guide for Robot Vacuum Batteries
When selecting a replacement battery for your robot vacuum, consider several critical factors to ensure optimal performance and compatibility.
Compatibility
Match the battery with your vacuum model number and connector type. Batteries differ by brand-specific plugs (2-prong, 3-prong, 5-prong, etc.). Verify compatibility through official product details or by removing your original battery to check the connector.
Battery Capacity (mAh)
Measured in milliampere-hours, capacity determines how long your robot vacuum can clean on a single charge. Higher capacity (e.g., 4000mAh) means longer runtime, beneficial for larger homes or extended cleaning sessions.
Voltage
Voltage ratings like 14.4V or 14.8V reflect battery power levels. Use batteries matching your vacuum’s original voltage to maintain proper functionality and avoid damage.
Battery Type
Most robot vacuum batteries are lithium-ion (Li-ion), offering durability, stability, and a longer lifespan compared to older NiMH batteries. Li-ion batteries also charge faster and are lighter.
Run Time and Charge Cycles
Look for batteries that provide sufficient runtime (typically 100–180 minutes) and robust cycle life (500+ cycles) for prolonged usability.
Safety Features
Ensure the battery includes protections against overcharge, over-discharge, overheating, short circuits, and overcurrent to maximize safety and battery longevity.
Brand and Certification
Choose replacement batteries from reputable brands or those with safety certifications such as CE, FCC, or RoHS. Quality batteries reduce risks and improve performance consistency.
Warranty and Customer Support
Check if the seller offers a warranty or customer support in case of defects or issues, giving you peace of mind post-purchase.