- Cordless
- Inductive Charging
- 2 Year Warranty
- Built for Inground and Above Ground Pools Up to 50ft
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The All-New Cordless Pool Robot from Maytronics. Equipped with the latest tech, see why so many pool owners make the switch to the Dolphin Liberty 300
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Robotic pool cleaners, particularly rechargeable, battery-powered cordless models, are revolutionizing pool maintenance. Although they offer ease and mobility, these models have both advantages and disadvantages, as found in a comprehensive test of over 40 pool robots. Compare trade-offs in our corded vs. cordless pool robots guide, and see why many owners still choose corded robotic pool cleaners for full-power cycles. For Maytronics’ corded lineup, browse Dolphin robotic pool cleaners.
Cordless pool cleaners provide convenience by eliminating power cords, enhancing safety and ease of use. However, they require frequent user intervention, often twice a day for recharging, which can detract from their automation benefits. Their dependence on rechargeable batteries makes them less hands-off compared to corded models.
Cordless models typically have less powerful motors than corded cleaners, impacting their cleaning efficiency, especially with challenging debris and pool shapes. Additionally, their batteries often require frequent recharging and tend to degrade over time, leading to shorter operational times and the added cost of battery replacement.
While they offer the benefit of cord-free operation, cordless pool cleaners also come with challenges such as constant attention, lower suction power, limited battery life, and the ongoing cost of battery replacements. These limitations suggest that they might not be ready for real-world use, with hopes for future improvements in battery technology.
When selecting a cordless pool cleaner, consider factors like rechargeable battery life, suction power, adaptability to different pool shapes, ability to clean vertical surfaces, build quality, ease of maintenance, smart features, and robust warranty and support. The Maytronics Dolphin models are noted for their build quality and warranty.
In conclusion, the choice of a cordless robotic pool cleaner should balance technological capabilities, user experience, and value. The aim is to ensure a pristine, hassle-free pool environment, guided by key factors like endurance, cleaning efficiency, build durability, and user-friendly operation and support.
Compare the Dolphin Liberty pool robots. See how they compare to the 2026 corded equivalents from Maytronics. Have questions? Contact our pool experts and get help finding the perfect robotic pool cleaner for your pool.
 |
 |
|||
|---|---|---|---|---|
 |
Liberty 200 | Liberty 300 | Max-Series | ProLine™ |
| Cleans Waterline | No |
No |
Yes | Yes |
| NanoFiltration | No |
No |
Yes | Yes |
| MaxBin™ | No |
No |
Yes | Yes | Dual Stabilizer | No |
No |
No |
Yes | Gyroscope | No |
No |
No |
Yes | 3 Year Warranty | No |
No |
No |
Yes |
| No Restocking Fee | No |
Yes | Yes | Yes |
| 30 Day Trial | No |
Yes | Yes | Yes |
| Shop Now | Buy | Buy | Buy | Buy |
Read reviews on all Dolphin Liberty models. Read about the advantages and disadvantages of cordless robotic pool cleaners.
The Dolphin Liberty lineup is Dolphin's cordless robotic pool cleaner series, meaning there is no cable to tangle or restrict movement. This gives the Liberty robots complete freedom to navigate your pool without the hassle of managing a power cord, making setup and retrieval incredibly simple.
Depending on the model, the Dolphin Liberty robots offer up to 2 hours of cleaning time on a single charge. This is typically enough to fully clean most residential pools in one cycle. Battery performance may vary slightly based on pool conditions and water temperature.
The Dolphin Liberty models typically take around 3 to 4 hours to fully charge from a depleted battery. We recommend charging the unit after each cleaning cycle so it is always ready for the next use.
The Liberty 300 is an upgraded model compared to the Liberty 200, offering enhanced cleaning coverage, improved wall climbing, and additional smart features. Both models share the same cordless convenience, but the Liberty 300 is better suited for larger or more complex pool shapes. Visit the Liberty lineup page to compare models side by side.
Cordless pool robots like the Dolphin Liberty eliminate cable tangles, reduce trip hazards around the pool deck, and make it easier to move the robot between pools. They also simplify storage since there is no long cord to manage. Cordless operation provides a truly hassle-free pool cleaning experience.
The Dolphin Liberty models are designed for residential pools up to 40 feet in length. For best results, match the specific Liberty model to your pool size and shape. If you are unsure which model fits your pool, contact us and our pool experts can help.
Clean and reach the dirtiest 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.
Wall climbing is partial wall cleaning. These models do not clean the waterline, but still have excellent cleaning ability.
Schedule your robot to automatically clean every day, two days, or three days.
With a no-tangle swivel, the robot can travel freely throughout your pool without knotted cords.
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™ →
Clean small particles that the standard filter misses. This filter cleans deeper and with more precision than any other filter.
Premier's exclusive MultiMedia™ includes more filters than any other Dolphin: fine filter, NanoFilter™ + oversized leaf bag + exclusive disposable bag option.
Manually control, schedule, and read advanced stats about each clean right from Sigma's app.
Advanced gyroscopic sensors allow Sigma to clean deeper than any other pool robot.
Premier's real-time filter tracking, Media-Alert™, let's you know when it is time to clean the onboard filtration.
Built on the ProLine™, these motors are larger and boast more power than any other Dolphin robot.
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