Amazon.de 101 €119 € Discount against the manufacturer's recommended price. This shop's own lowest price in the 30 days before the offer: 101 €.How we work this out
Deliveryabout 1–2 days
Returns14-day free returns
Before you buy, compare it with 2 recommended alternatives
Beside it, two models on sale today that come closest to it on score and price, with the same kind of station where we have them.
Green is the best of these 3, also when they share the lead.
| This model Redkey E6 Best on 2 facts | Higher score, 9% dearer Roborock Q7 L5 Best on 1 fact | Higher score, 37% dearer Roborock Q7 M5 Best on 1 fact | |
|---|---|---|---|
| Price and ranking | |||
| The lowest price today at a shop that delivers to you, delivery included. A price with an asterisk comes from a shop abroad, and its delivery cost is our own estimate. Lowest price | 101 €Amazon.de best | 111 €Roborock (brand store) | 139 €OTTO |
| Our own score out of 10: 60% lab tests, 25% shop ratings and 15% the maker’s facts. Price does not count. Score | not in our ranking | best | |
| The labs that have tested this model, each linked to its own review. Tests | – | Vacuum Wars | Just A Dad Approved Vacuum Wars TechRadar Tom's Guide |
| Where the model stands in our ranking, among the robots with the same kind of station. Rank | – | rank 2 of 5 without a station | rank 1 of 5 without a station |
| The average of the stars buyers give at the shops, with the number of reviews behind it. We only compare it from 20 reviews. Customer rating | ★ 3.6 · 187 reviews | ★ 4.1 · 2,350 reviews best | ★ 3.9 · 4,112 reviews |
| Mopping | |||
| How the mop is built: flat pads, two spinning discs or a roller. Discs press harder on dried-on dirt, a roller rinses itself while it works. When it matters
Source
| no mop | flat or vibrating pad | flat or vibrating pad |
| How far the robot lifts the mop when it drives onto a carpet. From about 10 mm a medium pile stays dry. When it matters
Source
| – | no | no |
| The robot leaves the mop at the dock before it vacuums a carpet, so the carpet never gets wet. When it matters
Source
| – | – | no (assumed) |
| The dock washes the mop for you, so you do not rinse it by hand. When it matters
Source
| – | no | no |
| Drying is done with warm air instead of cold. It is faster and it helps against smell. When it matters
Source
| – | no | no |
| Station | |||
| The station the robot returns to, and what it does by itself, such as emptying the bin or washing and drying the mops. Station same on all | charging dock only | charging dock only | charging dock only |
| How long the maker says a dust bag lasts with daily use. With pets or a lot of carpet it is shorter. When it matters
Source
| – | – | up to 30 days |
| The dock can be connected to the tap and the drain, so you never fill or empty a tank. It does need a connection nearby. When it matters
Source
| – | no | no |
| Brush and obstacles | |||
| A brush that guides hair to the side instead of letting it wind around the shaft. It saves the cutting work in homes with long hair or pets. When it matters
Source
| – | yes | yes |
| The highest threshold the robot takes, as the maker states it. Measure your own: the step into a bathroom or onto a balcony is often higher. In this comparisonWhen it matters
Source
| – | 20 mm | 20 mm |
| An extending leg or wheel that carries the robot over a high threshold. Without one it usually stops at about 2 cm. When it matters
Source
| – | – | no (assumed) |
| Size, noise and age | |||
| How tall the robot is. It decides whether it fits under your sofa, bed or cabinet. In this comparisonWhen it matters
Source
| 7.5 cm best | 9.9 cm | 9.9 cm |
| The noise in decibels, in the setting its source names: makers mostly give the standard setting, shops often the highest. 65 dB is like a vacuum at half power, 55 dB like a conversation. When it matters
Source
| – | – | 65 dB |
| The month the model first went on sale. It shows how old the technology in it is. On the market since | September 2025 | January 2025 | April 2025 |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
Prices per shop
On 22 October 2026 the lowest price for the Redkey E6 is 101 € at Amazon.de, delivery to Germany included.
All prices include VAT and delivery to Germany. We may earn a commission when you buy through these links. It never changes our ranking.
Amazon.de Amazon.de 109 €128 € Discount against the manufacturer's recommended price. This shop's own lowest price in the 30 days before the offer: 109 €.How we work this out
Deliveryabout 1–2 days
Returns14-day free returns
Price history
Lowest price per day Average 105 € Tap a shop to hide or show its line.
Lowest price per day Average 104 € Tap a shop to hide or show its line.
Lowest price per day Average 112 € Tap a shop to hide or show its line.
Lowest in 90 days101 €
Highest in 90 days128 €
Price drops in 90 days4last: 10 October 2026
Redkey E6 specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Redkey · on the market since September 2025
Robot height7.5 cm
Runtime per charge170 min
Suction power7,000 Pa
Suction and brushes 1 fact
- Suction power
Among the models we track
7,000 Pa on this model
Lowest
600 Pa Highest
42,000 Pa Middle
6,000 PaHigher than 475 of the 900 models we track.
When it matters
- Deep-pile carpet and rugs, where dust sinks in.
- Pet hair, sand and crumbs trodden into fibres.
- On hard floors the gain from a higher figure is small: the dust lies on top.
Source: amazon.de · checked on 29 Sept
Suction in pascal, as the maker measures it. More pascal helps on carpet, but it says little about how well the robot picks grit off a hard floor.
- 7,000 Pa
Mopping 1 fact
- Mop type
When it matters
- Homes with a lot of hard floor that you want mopped, not just wiped.
- Dried-on dirt in a kitchen, which spinning pads or a roller scrub off better than a dragged cloth.
- If you only vacuum, the mop’s build decides nothing.
Source: amazon.de · checked on 12 Oct
How the mop is built: flat pads, two spinning discs or a roller. Discs press harder on dried-on dirt, a roller rinses itself while it works. On this model: seen on the product photo, not stated in the maker's text.
- no mop
Navigation and obstacles 1 fact
- Navigation
When it matters
- Several rooms, where a map lets you send the robot to one of them.
- Cleaning in the dark, which lidar does and a camera alone does not.
- In one open room even simple navigation covers the floor.
Source: amazon.de · checked on 29 Sept
How the robot maps your home and follows that map. Lidar measures with a laser and works in the dark, a camera looks along and recognises more.
- gyroscope
Robot 2 facts
- Robot height
Among the models we track
7.5 cm on this model
Lowest
5.6 cm Highest
14.5 cm Middle
9.5 cmLower than 902 of the 1002 models we track.
When it matters
- Sofas, beds and cabinets with little room underneath.
- Dust that gathers under furniture you never move.
- With furniture on high legs or flat on the floor it decides nothing.
Source: amazon.de · checked on 29 Sept
How tall the robot is. It decides whether it fits under your sofa, bed or cabinet.
- 7.5 cm
- Dust bin in the robot
When it matters
- A robot without an auto-empty dock, which you empty by hand.
- Pets and long hair, which fill a small bin within one run.
- With an auto-empty dock the bin is emptied after every run, so its size hardly matters.
Source: amazon.de · checked on 29 Sept
How much dust the robot holds before you empty it. It matters less with an auto-empty dock, which empties the bin after every run.
- 600 ml
Battery 1 fact
- Runtime per charge
Among the models we track
170 min on this model
Lowest
45 min Highest
360 min Middle
150 minHigher than 540 of the 989 models we track.
When it matters
- Large homes or several floors cleaned in one go.
- Carpet, where the robot uses more power.
- In a small home most robots finish well before the battery runs low.
Source: amazon.de · checked on 29 Sept
How long the robot cleans on one charge, at its quietest setting. After that it recharges and carries on where it stopped.
- 170 min
Smart features and warranty 1 fact
- Voice assistants
When it matters
- Starting the robot by voice while your hands are full.
- A home already run with Alexa, Google or Siri.
- If you start it from the app or a schedule, you will not miss it.
Source: amazon.de · checked on 29 Sept
Which voice assistants the robot works with, such as Google Assistant or Alexa.
- Alexa, Google Assistant
Sources: amazon.de
Frequently asked questions about the Redkey E6
Can the Redkey E6 mop?
No, this model only vacuums.
Does the Redkey E6 work with Alexa, Google Home or Siri?
It works with Alexa and Google Assistant.
Does the Redkey E6 fit under low furniture?
The robot is 7.5 cm tall, so it fits under furniture with at least 8 cm of clearance. It has no turret on top.
How long does the Redkey E6 run on one charge?
170 minutes on its quietest setting.
The maker
Redkey
- Founded in 2020
Redkey makes household cleaning appliances: cordless and wet and dry vacuum cleaners, electric mops and robot vacuums, such as the R20 with a 10.1 inch screen. It says it aims for simple, efficient cleaning rather than cumbersome solutions, with production technology from leading factories.
