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A cordless pool-cleaning robot makes it easier to maintain both an above-ground pool and an in-ground pool, without a cable floating on the surface or an electrical connection near the water. But the stated battery life is not everything. A device that only cleans the floor will not be suitable for a pool where the walls or waterline also need cleaning.
Before placing your order, take the time to compare the coverage area, filtration fineness, movement modes and ease of retrieval. Here are the criteria to consider to avoid any unpleasant surprises.
A battery advertised to last several hours does not guarantee that the robot will clean the entire pool in a single cycle. Actual running time depends on the selected mode, the shape of the pool, the slope of the floor and the amount of debris to be collected. Climbing the walls and following the waterline generally uses more energy than travelling across a flat floor.
So check the battery life separately for the floor, walls and waterline, whenever the manufacturer provides this information.
Many cordless models are actually simple pool vacuums designed for flat floors. They are suitable for above-ground pools with an even floor, but they are not a replacement for a floor-and-wall pool robot.
If your pool is in-ground, has a slope, corners or a particular surface, look carefully for compatibility with the walls and the material used: liner, reinforced PVC, fibreglass, tiles or painted concrete.
A robot that is difficult to remove from the water can quickly become a chore to use, especially when its basket is full of leaves and sand. Surface parking, automatic return to the edge or drainage features make retrieval easier, but they do not eliminate routine maintenance.
After every cycle, remove leaves and sand from the basket, then rinse the filter and brushes. Fine filtration captures more particles, but it can also become clogged more quickly.
For a small above-ground pool, 50 to 75 minutes of battery life may be enough for routine cleaning. The WYBOT WINNY 200, for example, offers up to 75 minutes of operation and is designed for above-ground pools with flat floors. At 3.5 kg, it remains relatively easy to lift out of the water.
For a larger residential pool, compare the maximum area stated by the manufacturer with the pool’s actual dimensions. The FAIRLAND InverX Air 20 is designed for pools of up to 60 m², with up to 120 minutes of battery life and a charging time of approximately 2.5 hours.
The basket capacity determines how often it will need to be emptied. With its 3.2-litre capacity, the FAIRLAND InverX Air 20 basket provides plenty of room for leaves, insects and everyday debris. Its stated 120-micron filtration is suitable for regular maintenance.
Some devices offer several filtration levels. The Aiper Scuba S1 Joybuy Version combines a standard 180-micron filter with a replaceable 3-micron filter. This configuration can be particularly useful when the pool contains both leaves and very fine particles. However, remember to check the price and availability of replacement filters.
An autonomous pool robot with optimised navigation can reduce unnecessary passes, but its performance will always depend on the pool’s geometry and surface. An app may allow you to select a mode, monitor the battery level or schedule a cycle. However, it will not turn a floor-only robot into a model that can clean the walls.
For more complete coverage, some devices state clearly whether they support the floor, walls and waterline. Also check the minimum depth, compatibility with steps and whether there are any submerged ledges. The term waterline-cleaning robot should correspond to a function explicitly stated in the product listing.
Why this choice suits this profile: Cable-free and fully automatic, it is suitable for regular maintenance of an above-ground pool with a flat floor.
The product listing specifies that it cleans the floor only and is designed for flat surfaces. The risk of choosing an unsuitable device is therefore limited.
75 minutes of battery life, dual filtration and a manageable weight of 3.5 kg.
Why this choice suits this profile: It is aimed at owners who want to automate floor cleaning without a floating cable, while keeping an eye on the cycle through a Bluetooth app.
The maximum area, battery life and coverage zone are clearly stated: this is a floor-cleaning device, not a robot designed for the walls.
3.2 L basket, 120-micron filtration, several motors and automatic return to the pool edge.
Why this choice suits this profile: This model is designed for larger pools that require several cleaning modes, from the surface to shallow areas.
The product listing distinguishes running times by mode: up to 5 hours for the floor, 4.5 hours in multisurface mode and 7 hours on the surface.
Stated flow rate of 25 700 L/h, 6 L basket, app, surface parking and coverage of up to 300 m² according to the product listing.
Why this choice suits this profile: It is aimed at users looking for a cable-free robot that can clean the floor, walls and waterline.
The supported areas are detailed, with separate paths for the floor, walls and waterline.
Up to 4 hours of battery life for the floor, 3.5 hours for the walls and waterline, surface parking and wireless charging.
We have selected a complete, regularly updated range of products that meet these strict criteria, as well as European safety requirements.
The CE marking does not mean you can skip the instructions, particularly the information about maximum depth and charging. In France, the battery and device must be taken to a suitable collection point when they reach the end of their service life.
This is generally not recommended. Remove the device after every cycle, rinse its various components and store it in a dry place. Always follow the instructions provided for the model you have chosen.
The cost mainly depends on the electricity used for charging, how often cycles are run and the replacement of filters or brushes. A high-capacity battery may reduce the number of charging cycles, but its possible replacement should also be included in your overall budget.
Some models are compatible with both types of pool, while others are limited to above-ground pools with flat floors. Before ordering, check the cleaning area, pool shape, surface and the robot’s ability to climb the walls.