Science

Lab – Ecovacs Deebot N8 + robot vacuum cleaner has more than one trick in its storage bag

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The Ecovacs Deebot N8 + robot vacuum cleaner is equipped with a self-draining base which collects the debris present in the collector. This interesting system on paper is it effective in practice?

The Ecovacs Deebot N8 + is the worthy heir to the Deebot T8 + and also benefits from a charging base which also serves as a waste storage center. Indeed, this station collects the rubbish located in the collector of the robot vacuum cleaner in order to send them in a fabric bag, with a capacity of 2.5 l, located at the top of the base.

The bag is able to hold all the trash picked up for 30 days according to the manufacturer.

The bag is able to hold all the trash picked up for 30 days according to the manufacturer.

The purpose of this system is to spare the user the drudgery of emptying the robot manifold too frequently. Indeed, the volume thereof does not exceed 0.3 l. This system is also more hygienic since it avoids flying dust.

A self-emptying station in the hair

In order to test the automatic emptying, we made our robot ingest 100 g of rice grains, because this material allows us to observe if the system is powerful enough to collect heavy waste.

Once the 100g of rice has been sucked up, the Deebot N8 + has returned to its base. After 13 s of aspiration, we notice that the collector is completely empty. All of the rubbish was collected and ended up in the bag, a perfect result. It is therefore much better than the iRobot Roomba i7 + which, at the end of this test, leaves 11% of the materials in its collector.

Note that a tiny part of the material is found at the suction mouth.

Note that a tiny part of the material is found at the suction mouth.

In order to push the Ecovacs Deebot N8 + a little more to its limits, we repeated this test, this time with sawdust, a finer material that allows us to simulate dust. Same process as for rice grains: after swallowing 100 g of this material, the robot returned to its base which automatically sucked up the waste present in the collector.

And we can establish the same observation: all of the sawdust is sucked into the bag and the collector is completely relieved of this substance.

Noise, but little economy

This suction base has certainly proven to be very effective, but the emptying is very noisy and reaches a noise level of 73 dB (A). For comparison, the average sound level for a conversation is around 60 dB (A).

Another shadow remains on the board. If Ecovacs takes care of providing two 2.5L bags, you will need to get new ones anyway – count around € 13 for five bags.

Finally, before the purchase, it will be necessary to take into account the space allocated to this suction base which can in no case be slipped discreetly under a low cabinet. It will therefore be necessary to make room in the fireplace to install it.

Our measurements in the laboratory are continuing and the full test of the Ecovacs Deebot N8 + will appear in the coming days in the columns of the Maison des Digital.

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