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Battery Powered Robotic Pool Cleaners

Cordless Pool Robots

Shop the top battery-operated pool robots

Dolphin Liberty Cordless Pool Robots Maytronics Authorized Dolphin Dealer

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Type of Pool:




  • Cordless
  • Inductive Charging
  • 2 Year Warranty
  • Built for Inground and Above Ground Pools Up to 50ft
Wall Climbing

Wall Climbing



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  • Like-New Condition
  • Includes All Original Parts & Accessories
  • Full 2 Year Warranty
Wall Climbing

Wall Climbing



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Cordless Robotic Pool Cleaners

In the realm of pool automation and maintenance, robotic pool cleaners have emerged as a game-changer. Among these, rechargeable battery-powered cordless models are increasingly capturing the market with their promise of ease and mobility. However, after first-hand test over 40 pool robots, we can say that cordless models come with their own set of advantages and disadvantages.

A Convenient Yet Compromised Solution

Let’s jump into the world of wireless robotic pool cleaners, contrasting them with their corded counterparts.

Dolphin Liberty Cordless Robotic Pool Cleaner

The Double-Edged Sword of Cordless Convenience

At first glance, the allure of cordless robotic pool cleaners lies in their freedom from power cords. This feature offers unparalleled convenience and safety, eliminating the hassle of managing long, tangled cords. However, this convenience comes at a price: the need for constant attention. Unlike corded models that can often run independently for days at a time once set up, cordless pool cleaners require the user's intervention not once, but twice a day. The rechargeable battery in today’s model will quickly become your newest dependent. In our opinion, this frequent need for supervision undermines the automation aspect, making them far less hands-off than corded models.

Compromised Performance: The Trade-off for Mobility

Another critical aspect to consider is the performance of these battery-powered cordless machines. Their motors are always less powerful compared to corded models. How much less powerful? About half the power. This results in a noticeable difference in suction power, impacting the efficiency with which they clean the pool. While they might handle light debris and dirt with ease, tougher challenges like large leaves or algae or sloping pool bottoms might prove too much for their weaker motors.

Battery Life and Longevity: A Persistent Challenge

The heart of any cordless device is its rechargeable battery, and here lies another limitation of cordless robotic pool cleaners. Their batteries often don't last very long, necessitating frequent recharging sessions. Rarely do they last as long as advertised in the real world. This not only interrupts the cleaning process but also means that larger pools might not be fully cleaned in a single charge, demanding a pause for recharging.

Moreover, battery life degrades over time. The constant cycle of discharging and recharging gradually diminishes the battery's capacity, leading to even shorter operational times. This brings us to another significant concern: the cost of battery replacement. High-quality batteries are not cheap, and their replacement adds a recurring expense to the maintenance of these cleaners.

Dolphin Liberty Carried

Conclusion: Weighing the Pros and Cons

In conclusion, while cordless robotic pool cleaners offer the undeniable advantage of cord-free operation, this comes with its own set of challenges. The need for constant attention, lower suction power, limited battery life, and the cost of battery replacements are significant factors to consider. These limitations make them not ready for real-world use. We are hopeful that we’ll see larger more powerful batteries and even swappable batteries in the future. Until the battery is capable of operating the robot for several days, we would recommend the more powerful corded siblings.

Navigating the Waters: Best Rechargeable Cordless Robotic Pool Cleaners

Even with the shortcomings of battery power, cordless robotic pool cleaners are making a splash, offering a tantalizing promise of no cord. Let’s explore the market segment to understand what’s crucial and what separates the best from the rest. Here's a deep dive into what you should look for in these aquatic automatons.

Rechargeable Battery Life: The Power Play

Just as your smartphone's battery life is key, so is the endurance of a cordless pool vacuum. It's not just about lasting longer; it's about smart energy use. Opt for a hoseless model that promises enough juice to do a full lap of your pool without gasping for a charge halfway.

Dolphin Liberty Cordless Robotic Pool Cleaner by the Pool

Suction Savvy: The Cleaning Maestro

Suction power in these devices isn't just a number; it's the core of their existence. A pool cleaner with superior suction prowess means a spotless pool, free from the tyranny of leaves, dirt, and the mysterious objects that find their way into your watery oasis.

Shape-Shifting Skills: One Size Does Not Fit All

Pools come in all shapes and sizes, and so should the adaptability of your cleaner. Whether you have a classic rectangle or a more avant-garde design, ensure your cleaner isn’t puzzled by the geometry.

Vertical Ventures: The Wall-Climbing Marvel

A good wireless pool cleaner doesn’t just skim the surface; it goes vertical. Walls and stairs shouldn’t be an Everest for these gadgets. Look for a model that scales these with the ease of a seasoned climber.

Build Quality: The Durability Doctrine

In the world of gadgets, build quality is often a silent cornerstone. For a hoseless pool cleaner, this means weathering chemical assaults and the wear and tear of regular use. Durability is not just a feature; it's a necessity. The Maytronics Dolphin cordless models are generally regarded as the top of the line for build quality.

Maintenance Magic: The User-Friendly Factor

Maintenance shouldn't be a puzzle. The best pool cleaners offer a no-fuss approach to upkeep, with easy-to-clean parts and a design that doesn’t require an engineering degree to understand.

Smart Features: The Tech Tango

In the age of smart homes, your wireless pool cleaner shouldn’t be stuck in the dumb ages. Programmable cycles, remote operations, and intuitive interfaces are the order of the day.

Support and Warranty: The Safety Net

A robust warranty and responsive support are your safety nets in the tech sea. They signal a company's confidence in their product and their commitment to you, the user. Again, the Maytronics Dolphin cordless models generally lead the pack here.

In conclusion, as we navigate the currents of cordless robotic pool cleaners, these factors form the lighthouse guiding your purchase. It’s about finding a balance between tech prowess, user experience, and value, ensuring your pool remains a pristine, hassle-free haven.

Cordless Pool Robot Lines

Dolphin Liberty Cordless Pool Robots

Dolphin Liberty

The Dolphin Liberty Cordless Robots represent the pinnacle of convenience in pool cleaning. These cordless pool robots offer unmatched flexibility and ease of use, making pool maintenance effortless and effective for pools of all shapes and sizes.

Explore Top Features

Waterline Cleaning

Clean and reach the direst part of your swimming pool. Found on only the top models, this is a feature you'll need if you are an inground pool owner.

Dolphin Cayman Wall Climbing

Wall Climbing

Wall climbing is partial wall cleaning. These models do not clean the waterline, but still have excellent cleaning ability.

Dolphin Quantum Smart Power Supply

Programmable Weekly Timer

Schedule your robot to automatically clean every day, two days, or three days.

Dolphin Anti-Tangle Swivel

Anti-Tangle Swivel

With a no-tangle swivel, the robot can travel freely throughout your pool without knotted cords.

Dolphin Cayman MaxBin


The larger and easier to clean MaxBin™ is a 2nd gen update to the standard filters. Cleaning a pool robot filter has never been easier.

Read About MaxBin™ →
Dolphin NanoFilter Cartridges


Clean small particles that the standard filter misses. This filter cleans deeper and with more precision than any other filter.

Dolphin Premier MultiMedia


Premier's exclusive MultiMedia™ includes more filters than any other Dolphin: fine filter, NanoFilter™ + oversized leaf bag + exclusive disposable bag option.

Dolphin Smart Power Supply

Smartphone App

Manually control, schedule, and read advanced stats about each clean right from Sigma's app.

Dolphin Sigma Gyroscope


Advanced gyroscopic sensors allow Sigma to clean deeper than any other pool robot.

Dolphin Media-Alert


Premier's real-time filter tracking, Media-Alert™, let's you know when it is time to clean the onboard filtration.

Dolphin Triple Commercial-Grade Motors

Commercial-Grade Motors

Built on the ProLine™,these motors are larger and boast the more power than any other Dolphin robot.

Learning Center

Learn all about pool robots, filters, and must-have features from our Pool Experts. With years of experince, we break down what you need to know before you buy and more.

Pool Robot Buying Guide