20 Best Deebot M81 Pro Battery [2024]

Are you looking for the best Deebot M81 Pro Battery? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Deebot M81 Pro Battery.

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1 14.4v 2600mAh Li-ion Rechargeable Replacement Battery Compatible with Ecovacs Deebot N79S, DN622,... 14.4v 2600mAh Li-ion Rechargeable Replacement Battery Compatible with Ecovacs Deebot N79S, DN622,...
2 Amazon Basics 4 Pack CR2032 3 Volt Lithium Coin Cell Battery Amazon Basics 4 Pack CR2032 3 Volt Lithium Coin Cell Battery
3 Ecovacs Deebot T8 Robot Vacuum and Mop Cleaner, Precise Laser Navigation, Multi-floor Mapping,... Ecovacs Deebot T8 Robot Vacuum and Mop Cleaner, Precise Laser Navigation, Multi-floor Mapping,...
4 ECOVACS Deebot N8 Pro Robot Vacuum and Mop, Strong 2600Pa Suction, Laser Based LiDAR Navigation,... ECOVACS Deebot N8 Pro Robot Vacuum and Mop, Strong 2600Pa Suction, Laser Based LiDAR Navigation,...
5 ECOVACS DEEBOT N79S Robotic Vacuum Cleaner with Max Power Suction, Upto 110 Min Runtime, Hard Floors... ECOVACS DEEBOT N79S Robotic Vacuum Cleaner with Max Power Suction, Upto 110 Min Runtime, Hard...
6 Neato Robotics Original Replacement Parts – Hi-Capacity Li-Ion Battery Pack – Compatible with... Neato Robotics Original Replacement Parts – Hi-Capacity Li-Ion Battery Pack – Compatible with...
7 eufy by Anker, RoboVac G30, Robot Vacuum with Dynamic Navigation 2.0, 2000 Pa Strong Suction, Wi-Fi,... eufy by Anker, RoboVac G30, Robot Vacuum with Dynamic Navigation 2.0, 2000 Pa Strong Suction,...
8 eufy by Anker, BoostIQ RoboVac 30C MAX, Robot Vacuum Cleaner, Wi-Fi, Super-Thin, 2000Pa Suction,... eufy by Anker, BoostIQ RoboVac 30C MAX, Robot Vacuum Cleaner, Wi-Fi, Super-Thin, 2000Pa Suction,...
9 Replacement Battery Compatible with Ecovacs Deebot N79S, 500, N79, DN622 and Eufy RoboVac 11, 11S,... Replacement Battery Compatible with Ecovacs Deebot N79S, 500, N79, DN622 and Eufy RoboVac 11,...
10 ECOVACS Deebot T8 AIVI Robot Vacuum Cleaner, Vacumming and Mopping in One-Go, Laser Mapping, Smart... ECOVACS Deebot T8 AIVI Robot Vacuum Cleaner, Vacumming and Mopping in One-Go, Laser Mapping,...
11 Ecovacs Deebot M80 Pro Robot Vacuum Cleaner Ecovacs Deebot M80 Pro Robot Vacuum Cleaner
12 Feifango 14.4V 2800mAh Replacement Battery Compatible with Deebot N79S, Deebot N79, Deebot DN622,... Feifango 14.4V 2800mAh Replacement Battery Compatible with Deebot N79S, Deebot N79, Deebot DN622,...
13 Upgraded 14.4v 2600mAh Replacement Battery for Deebot N79s, Li-ion Rechargeable Battery Compatible... Upgraded 14.4v 2600mAh Replacement Battery for Deebot N79s, Li-ion Rechargeable Battery...
14 Electropan Replacement Ecovacs Accessory Kit for DEEBOT M80 M80 Pro Robotic Vacuum Cleaner Brush... Electropan Replacement Ecovacs Accessory Kit for DEEBOT M80 M80 Pro Robotic Vacuum Cleaner Brush...
15 Powerextra 7.2V 4000mAh Battery Compatible with Neato XV-11 XV-12 XV-14 XV-15 XV-21 XV-25, XV... Powerextra 7.2V 4000mAh Battery Compatible with Neato XV-11 XV-12 XV-14 XV-15 XV-21 XV-25, XV...
16 FirstPower 14.4v 2800mAh Replacement Battery - Compatible with Ecovacs Deebot N79 N79S DN622 & Eufy... FirstPower 14.4v 2800mAh Replacement Battery - Compatible with Ecovacs Deebot N79 N79S DN622 &...
17 Proscenic M7 Pro Robot Vacuum Cleaner, Laser Navigation, 2700Pa Powerful Suction, APP & Alexa... Proscenic M7 Pro Robot Vacuum Cleaner, Laser Navigation, 2700Pa Powerful Suction, APP & Alexa...
18 9146-302 Battery for Cardiac Science Powerheart G3 AED 9146-302 Battery for Cardiac Science Powerheart G3 AED
19 AnhoTech Replacement Battery Compatible with ILIFE A4, A4s, A4s pro, A6, A9 Robotic Vacuum Cleaners,... AnhoTech Replacement Battery Compatible with ILIFE A4, A4s, A4s pro, A6, A9 Robotic Vacuum...
20 ZZcell Battery Compatible for Ecovacs Robotic Vacuum Sweeper DM88, DD35, DE33, DE35, DG716, DG710,... ZZcell Battery Compatible for Ecovacs Robotic Vacuum Sweeper DM88, DD35, DE33, DE35, DG716,...
Bestseller No. 1
14.4v 2600mAh Li-ion Rechargeable Replacement Battery Compatible with Ecovacs Deebot N79S, DN622,...
  • Voltage: 14.4V, Capacity: 2600mAh, Type: Li-ion Battery
  • The battery replacement only compatible with Ecovacs Deebot N79, Deebot N79S, Deebot DN622, Eufy RoboVac 11, RoboVac 11S, RoboVac 11S MAX, RoboVac 12,...
  • Easy to disassemble and install.
  • 2600mAh Li-ion battery replacement can be lasting 1.5 to 3 hours per charge. Makes your RoboVac run longer and durable.
  • Built-in protection for short circuit, output over voltage, overheat and output overcurrent. Safely and reliably, maintains optimal battery...
Bestseller No. 2
Amazon Basics 4 Pack CR2032 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 4-pack of CR2032 3 volt lithium coin cell batteries; replacement for BR2032, DL2032, and ECR2032
  • DEVICE COMPATIBLE: Ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • DESIGNED TO LAST: 8-year leak-free shelf life
  • EASY IDENTIFICATION: Engraved with battery model for quick identification
Bestseller No. 3
Ecovacs Deebot T8 Robot Vacuum and Mop Cleaner, Precise Laser Navigation, Multi-floor Mapping,...
  • Simultaneous vacuuming and mopping: Integrated suction, sweeping and mopping in one go. The large 240ml water tank can cover over 2,000 sq. ft. of...
  • Precision laser mapping and navigation: With advanced TrueMapping technology, T8 maps your home 2X coverage and 4x precision than previous models. It...
  • Intelligent object detection: With TrueDetect 3D environment perception technology, T8 can detect objects such as cables, slippers, and furniture down...
  • Powerful custom cleaning: With ECOVACS App, you can divide or merge areas, label rooms, set cleaning squence, choose different cleaning times, vacuum...
  • Compatible with OZMO Pro and Auto-empty station: T8 is upgradable to OZMO Pro, a powerful oscillating scrubbing mop, and 2.5L Auto-Empty Station which...
Bestseller No. 4
ECOVACS Deebot N8 Pro Robot Vacuum and Mop, Strong 2600Pa Suction, Laser Based LiDAR Navigation,...
  • CLEAN MORE EFFECTIVELY WITH SUPERIOR 2600Pa SUCTION that draws out dirt and dust from wherever it’s hidden in your hard floors and carpets, while...
  • VACUUMING AND OZMO MOPPING IN ONE-GO. Plus, automatically avoids carpets when mopping hard floors and doubles the suction power when vacuuming...
  • HASSLE-FREE CLEANING WITH TRUEDETECT, a laser-based 3D technology that lets N8 Pro detect and avoid objects such as cables, slippers and pet mess to...
  • CLEAN MORE EFFICENTLY WITH TRUEMAPPING, an advanced laser-based LiDAR navigation with aerospace-standard dToF detection sensors, generate maps with 4X...
  • EXCEPTIONAL RUNTIME OF UP TO 110 Minutes. It automatically returns to the charging dock when its battery is low, then picks up cleaning right where it...
Bestseller No. 5
ECOVACS DEEBOT N79S Robotic Vacuum Cleaner with Max Power Suction, Upto 110 Min Runtime, Hard Floors...
  • Max Mode Cleaning: Increase your cleaning power by 2x whenever you need using the app or remote control.
  • Smart App & Voice Controls: Use Alexa or Google Home voice commands to direct cleaning. Use the ECOVACS App to customize, schedule & monitor cleaning...
  • Auto-Clean plus 3 Specialized Cleaning Modes: Smart motion guided auto-clean mode, plus single room & spot mode for targeted cleaning, & edge mode for...
  • Ecovacs Basic Features: Includes our unique 3-stage cleaning system, anti-drop & anti-collision sensors, 120 minute battery life, auto-return...
  • 1-Year Warranty, plus Accessories: Includes (1) remote control, (1) main brush, (2) side brushes, (1) docking station & fantastic customer support....
SaleBestseller No. 6
Neato Robotics Original Replacement Parts – Hi-Capacity Li-Ion Battery Pack – Compatible with...
  • Easy to Install
  • Designed specifically for the Neato D3, D4, D5, D6, and D7
  • The lower spot identified in your imagery are pack manufacture date codes and will vary per unit. The upper spot is a recycle logo for LiIon...
Bestseller No. 7
eufy by Anker, RoboVac G30, Robot Vacuum with Dynamic Navigation 2.0, 2000 Pa Strong Suction, Wi-Fi,...
  • Smart Dynamic Navigation 2.0: With the Path Tracking Sensor, Smart Dynamic Navigation 2.0 allows for purposeful cleaning across all surfaces when...
  • 2000Pa of Hard-Hitting Suction: The ultra-strong 2000Pa of suction power ensures more debris is picked up across all surfaces giving you noticeably...
  • App Control with Cleaning History: Complete all your cleaning needs right from your smartphone. When the job is done check-out where and when your...
  • BoostIQ™ Technology: Automatically increases suction power within 1.5 seconds when extra vacuuming strength is needed—so you get the best clean.
  • What You Get: RoboVac G30, Charging Base, AC Power Adapter, 2 Side Brushes, Additional Unibody Filter, Cleaning Tool, 5 Cable Ties, Welcome Guide, and...
SaleBestseller No. 8
eufy by Anker, BoostIQ RoboVac 30C MAX, Robot Vacuum Cleaner, Wi-Fi, Super-Thin, 2000Pa Suction,...
  • Super-Slim RoboVac: The 2.85" slim RoboVac boasts an intense suction power (up to 2000 Pa) while maintaining quiet operation.
  • Wi-Fi Convenience: The eufy Clean app, Alexa and the Google Assistant voice control-services let you accomplish your vacuuming needs with zero effort...
  • BoostIQ Technology: RoboVac automatically increases suction power within 1.5 seconds when extra vacuuming strength is needed for deep cleaning.
  • Set Boundary Strips: RoboVac uses specialized dual-Hall Sensors to detect the Boundary Strips you set, ensuring it only cleans the areas required.
  • What You Get: RoboVac 30C MAX, 13.2 ft Boundary Strips, remote control (2 AAA batteries included), charging base, AC power adapter, cleaning tool,...
Bestseller No. 9
Replacement Battery Compatible with Ecovacs Deebot N79S, 500, N79, DN622 and Eufy RoboVac 11, 11S,...
  • Original manufacturer BYD and power battery providing higher quality, longer life time and safer use experience. Reliable safety protection functions...
  • Original factory Battery Management System, high-end BM3451 with 20 pins protection IC, power battery to support max. 8 Amperes discharge.
  • Compatible 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,...
  • 14.4V 2600mAh Li-ion rechargeable replacement battery makes vacuum lasting around 100 minutes per charge.
  • Committed 7/24 response to online message. 1 year limited warranty.
SaleBestseller No. 10
ECOVACS Deebot T8 AIVI Robot Vacuum Cleaner, Vacumming and Mopping in One-Go, Laser Mapping, Smart...
  • Simultaneous vacuuming and mopping: Integrated suction, sweeping and mopping in one go. The large 240ml water tank can cover over 2,000 sq. ft. of...
  • Intelligent AI Object Recognition: AIVI Technology identifies, recognizes, and intelligently decides what to do around obstacles like shoes and cables...
  • On-demand HD Live Video: Drive DEEBOT through the app to any area of your home to look in on pets, check for open doors or windows, and reach those...
  • Precision laser mapping and navigation: True Mapping combines precision laser technology and advanced dTOF sensors to map your home 2X coverage and 4X...
  • Powerful custom cleaning: With ECOVACS App, you can divide or merge areas, label rooms, set cleaning sequence, choose different cleaning times, vacuum...
Bestseller No. 11
Ecovacs Deebot M80 Pro Robot Vacuum Cleaner
  • Working time (min); Approx. 110 min
  • Note: Kindly refer to the user manual provided as a PDF manual in the product description section
Bestseller No. 12
Feifango 14.4V 2800mAh Replacement Battery Compatible with Deebot N79S, Deebot N79, Deebot DN622,...
  • Widely Compatible: Compatible with Deebot N79S, Deebot N79, Deebot DN622, Eufy RoboVac 11, 11S, 11S MAX, RoboVac 15C, 15C MAX, 15T, RoboVac 30, 30C,...
  • Battery Voltage: 14.4V; Capacity: 2800mAh; Li-ion.
  • Safe & Reliable Battery: The Li-ion battery are multi-certified, tested and validated by manufacturer to match specifications of OEM products.
  • Easy to Install: Just remove the two screws on the bottom, remove the battery connector and connect the new one, and then restore your robot again.
  • After Sales Service: For any question just let us know, we will do our best to solve the problem.
Bestseller No. 13
Upgraded 14.4v 2600mAh Replacement Battery for Deebot N79s, Li-ion Rechargeable Battery Compatible...
  • WIDE COMPATIBILITY: Compatiable with Ecovacs Deebot N79S N79, Deebot DN622, Eufy RoboVac 11 11S 11S MAX 12 15T Robovac 15C 15C MAX 30 30C 30 MAX 35C....
  • LONG LASTING: Maxlithium14.4V 2600 mAh Rechargeable Li-ion battery can provide a runtime of 100 - 180 min after being fully charged in the robot. Same...
  • ULTRA SAFE: The battery can perform up to 500 cycles of use with 4 premium rechargeable battery cells. Built-in protection against potential damage...
  • EASY INSTALLATION: Just remove the two screws on the bottom, remove the battery connector and connect the new one, then solve your robot beep problem...
  • YOU WILL GET: 1x 14.4V Battery, 1x Cleaning Brush, 1x User Manual, 12-month Quality Guarantee [Unconditional money back or battery replacement if...
Bestseller No. 14
Electropan Replacement Ecovacs Accessory Kit for DEEBOT M80 M80 Pro Robotic Vacuum Cleaner Brush...
  • Replacement Ecovacs Deebot m80 accessories. Please noted this is replacement accessories, not the Genuine. It is 100% competible with the Genuine
  • Deebot m80 Brush/Ecovacs Deebot m80 Main Brush, made up of Rubber brush & nylon brush & Fiber brush. 3 different matariel of the brush to deal with...
  • Durable Deebot Mop Cloths/Ecovacs Deebot m80 Pads can polish and sweep the floor to be bright and clean as new, its ultra soft microfiber material is...
  • Deebot M80 pro Hepa Filter, its sponge has a potent effect on filtering particulate, such as cigarette smoke, pollen, dust and other particles which...
  • Good quality Ecovacs Deebot m80 pro Brush/ Ecovac m80 Replacement Parts. If you have any problem in using our Ecovacs Parts, please contact us, we...
Bestseller No. 15
Powerextra 7.2V 4000mAh Battery Compatible with Neato XV-11 XV-12 XV-14 XV-15 XV-21 XV-25, XV...
  • Brand new,2 Pack Neato Batteries,Battery Voltage:7.2V Capacity:4000mAh Battery Type:Ni-MH,6 years’ selling experience of this neato replacement...
  • The 2 pcs of batteries ought to be used simultaneously. If one of them is used with an other brand battery improperly, this would lead to errors based...
  • Premium Battery for Neato XV-11 XV-12 XV-14 XV-15 XV-21 XV-25, XV Essential, XV Signature and XV Signature Pro Robotic Vacuum Cleaners. CE certified,...
  • 4000mah High capacity Long Lasting battery will replace your Neato Robotics 945-0005 205-0001 945-0006 945-0024 without any issue.
  • All Powerextra products come with a 50-days money back and a 12-month limited seller's guarantee against manufacturer defects from date of purchase,...
Bestseller No. 16
FirstPower 14.4v 2800mAh Replacement Battery - Compatible with Ecovacs Deebot N79 N79S DN622 & Eufy...
  • 【Battery Feature】: 14.4V, 2800mAh, Lithium-ion - No memory effects. CE, FCC, PSE, RoHS Safe Certified, you don’t need to worry about the battery...
  • 【Compatible Ecovacs Deebot & Eufy RoboVac 】: Only compatible with Ecovacs Deebot N79, Deebot N79S, Deebot DN622, Eufy RoboVac 11, RoboVac 11S,...
  • 【2.8Ah Capacity & Safe】: Fully charged about 5-6 hours. Safe Charge - Top A grade lithium battery cells, built-in protection against potential...
  • 【Easy to Install】: Install it in 2 minutes - just remove the two screws on the bottom, remove the battery connector and connect the new one, then...
  • 【Longer life】: Normally, charge cycle over 300-500 times . If you charge once every 3 days, you can charge at least 3 years. 24-hour service: If...
SaleBestseller No. 17
Proscenic M7 Pro Robot Vacuum Cleaner, Laser Navigation, 2700Pa Powerful Suction, APP & Alexa...
  • [Separately Sold] Intelligent Dust Collector: This system automatically removes dust from the vacuum robot’s dust bin, so you can be completely...
  • Advanced Laser Technology: Upgraded laser navigation system intelligently navigates and maps your home by creating a real-time map of your space and...
  • Selective Cleaning: It gives you control on where you want the vacuum to go or not to go. With the ProscenicHome app, you can control all that you...
  • Super Powerful Suction: Powered by a Nidec brushless motor, the M7 Pro robotic vacuum boasts a high suction power of max 2700Pa, which has the ability...
  • 5200mAh Lithium-Ion Battery: The extra-large battery features up to 150 minutes of cleaning time, enough to cover a large home of up to 300 square...
Bestseller No. 18
9146-302 Battery for Cardiac Science Powerheart G3 AED
  • Replacement Battery for Cardiac Science Powerheart G3
  • Direct from Cardiac Science
  • Four-year factory Guarantee
  • Weight: 1.65 lbs
  • 9146-302 Yellow
Bestseller No. 19
AnhoTech Replacement Battery Compatible with ILIFE A4, A4s, A4s pro, A6, A9 Robotic Vacuum Cleaners,...
  • Compatible with ILIFE A4, A4s, A4s pro, A6, A9 Robot Vacuum Cleaners. Please check if your battery connector (plug) is same as ours.
  • Incompatible with ILIFE V3 series, V5 series, V8 series, A7 and Bobsweep.
  • Original manufacturer BYD providing higher quality, longer life time and safer use experience. Reliable safety protection functions for short-circuit,...
  • Original factory Battery Management System (BMS), high-end BM3451 protection IC, supports max. 8 amperes discharge for stronger suction.Easy...
  • Committed 7/24 response to online message. 3 months replacement, 1 year limited warranty.
Bestseller No. 20
ZZcell Battery Compatible for Ecovacs Robotic Vacuum Sweeper DM88, DD35, DE33, DE35, DG716, DG710,...
  • Compatible Part Numbers: Replacement For Ecovacs Sweeper DD35, DE33, DE35, DG716, DG710, OZMO 610, 901, 902, DD46.11
  • Original Part Numbers:Compatible With DM88
  • 12Volts / Type: Ni-MH
  • Capacity: 3100mAh
  • 100% Compatible with original battery

Having trouble finding a great Deebot M81 Pro Battery?

This problem is well understood by us because we have gone through the entire Deebot M81 Pro Battery research process ourselves, which is why we have put together a comprehensive list of the best Deebot M81 Pro Batterys available in the market today.

After hours of searching and using all the models on the market, we have found the best Deebot M81 Pro Battery for 2023. See our ranking below!

How Do You Buy The Best Deebot M81 Pro Battery?

Do you get stressed out thinking about shopping for a great Deebot M81 Pro Battery? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Deebot M81 Pro Battery, which is why we have assembled a comprehensive list of the greatest Deebot M81 Pro Battery available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Deebot M81 Pro Battery that you consider buying. Your questions might include the following:

  • Is it worth buying an Deebot M81 Pro Battery?
  • What benefits are there with buying an Deebot M81 Pro Battery?
  • What factors deserve consideration when shopping for an effective Deebot M81 Pro Battery?
  • Why is it crucial to invest in any Deebot M81 Pro Battery, much less the best one?
  • Which Deebot M81 Pro Battery are good in the current market?
  • Where can you find information like this about Deebot M81 Pro Battery?

We’re convinced that you likely have far more questions than just these regarding Deebot M81 Pro Battery, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Deebot M81 Pro Battery, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Deebot M81 Pro Battery. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Deebot M81 Pro Battery buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Deebot M81 Pro Battery currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Deebot M81 Pro Battery has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Deebot M81 Pro Battery?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Deebot M81 Pro Battery.
  5. Customer Ratings: Number ratings grade Deebot M81 Pro Battery objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Deebot M81 Pro Battery.
  7. Product Quality: You don’t always get what you pay for with an Deebot M81 Pro Battery, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Deebot M81 Pro Battery is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Deebot M81 Pro Battery information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Deebot M81 Pro Battery is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: Is the ecovac Deebot M81 pro worth it?

A: With the Deebot M81 Pro, Ecovacs makes a series of acceptable compromises. The suction isn’t as powerful as a more expensive botvac, but it’s quieter.

Q: How long does the DEEBOT M81 pro take to clean?

A: In my cleaning tests, the Deebot M81 Pro took longer to clean the 500 square feet of infant, toddler, and double dog-haired mess I call my house. More expensive vacuums can be counted on to clean the same space in about an hour, but it took the Deebot two.

Q: How do you use a Deebot?

A: I used the Deebot’s manual control to clean up a trail of dried milk barf (sorry, childless folk) that my son left on the hardwood floor in the hall. I filled the reservoir, clicked it onto the bottom of the vac, and used the manual control to direct it back and forth over the dried milk.

Q: How long does it take to charge a Deebot vacuum?

A: More expensive vacuums can be counted on to clean the same space in about an hour, but it took the Deebot two. It took two hours to charge the vacuum, and then two hours to run down the battery until it had to return to the charging base.