The Redkey S100 is a cordless robotic pool cleaner designed for pools with an area of up to 100 m² and a depth of up to 3 metres. It is rated to run for up to 130 minutes per charge and automatically moves to the pool edge after cleaning, making it easier to retrieve.
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Motor, battery and runtime
The cleaner has a 28 W motor and a six-cell lithium-ion battery with a stated capacity of 5,200 mAh, a voltage of 12.8 V and a weight of 290 g. It runs for up to 130 minutes per charge and takes approximately four hours to recharge. When planning a cleaning session, allow time for charging before another cycle.
The battery is also listed with an energy rating of 57.72 Wh. However, this does not match the calculation based on the stated capacity and voltage: 5,200 mAh at 12.8 V equals 66.56 Wh. The energy rating therefore remains unclear.
Cordless operation and parking
The Redkey S100 is not connected to a mains cable while cleaning, so there is no cable to get in the way or become tangled. Cordless operation does not, however, mean that the manufacturer’s instructions for safe use and charging can be ignored.
Automatic parking moves the cleaner to the pool edge when it has finished its task, when the battery is low or when the filter is clogged. The included hook makes it easier to retrieve the cleaner from the edge.
Compatible pools
The Redkey S100 supports pools with an area of up to 100 m², including round, oval, rectangular and irregular shapes. Its maximum operating depth is 3 metres. Check your pool’s dimensions against these limits before use.
Its stated movement speed is approximately 17 metres per minute, although speed alone does not guarantee that the entire pool will be cleaned in one cycle. The available description also does not make clear whether the cleaner covers the walls or waterline as well as the floor.
Filter and accessories
The filter has a stated rating of 180 µm and captures small debris. This does not mean it will capture every tiny particle in the water. If the filter becomes clogged, the cleaner automatically moves to the pool edge and the filter may need cleaning.
The package includes a charger, a spare filter, a hook for retrieving the cleaner from the water and two replacement cleaning pads. The spare filter and pads are useful for maintenance, while the hook makes the cleaner easier to remove after a cycle.
The Redkey S100 is worth considering for owners of pools within its stated size limits who prefer cleaning without a power cable. When choosing, take the charging time into account, as well as the fact that the available description does not specify all the surfaces it cleans.
