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Mueller Ultra Kettle: Model No. M99S 1500W Electric Kettle with SpeedBoil Tech, 1.8 Liter Cordless with LED Light, Borosilicate Glass, Auto Shut-Off and Boil-Dry Protection
- Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
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- Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
- Learn more about free returns.
- Go to your orders and start the return
- Select the return method
- Ship it!
Enhance your purchase
Brand | Mueller Austria |
Color | Clear |
Capacity | 1.8 Liters |
Material | M99S |
Voltage | 110 Volts |
About this item
- Make sure this fits by entering your model number.
- PUREST TASTING WATER - SUPERIOR QUALITY – Made with the finest quality Borosilicate Glass, which lasts a lifetime, 304 stainless steel and heat resistant copolyester for the safest, freshest water. A premium long lasting lid that stays shut when it’s supposed to for years to come, unlike the majority of the others on the market.
- MAXIMUM SAFETY - High quality thermostat controller, auto shut-off within 30s after the water is fully boiling. Boil-dry safety feature where it turns off if it detects there is no water inside. Built with a Heat-Resistant Anti-Slip Grip Handle, no worries of it slipping out of your hands or getting burned while holding it. Will not contaminate liquids.
- FASTEST BOIL - Equipped with bright LED’s which indicate the kettle is heating. The controller with Mueller SpeedBoil circuitry will boil the water lightning fast and be ready to use for tea, oatmeal, coffee, pasta and much more.
- VERSATILITY – Completely Cordless when off the base, the Mueller Ultra Kettle teakettle allows you easy and unobstructed pouring. 360° Clear Rotational Glass Body is perfect for precise measuring of water.
- Made in China
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What's in the box
Product Description

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High Quality MaterialsMade from borosilicate glass and equipped with a stainless steel bottom, this electric kettle is built to serve you for years into the future. |
Intelligent LED IlluminationKnow in a glance when your hot water is ready: the dynamic LED lights will shine blue when your kettle is at work, and automatically shut off when your drink is done. |
Intuitive DesignWe believe in sleek, straight-forward designs that work for the everyday. Simply flick the top switch on your kettle into the ‘On’ position, and have your steaming hot beverage ready in a number of minutes. |
Cordless JugMove your kettle from the counter, to the stove top, to the sink with ease. Our cordless jug means your kettle can be transported to where you need it most. |




Taste The Difference
Enjoy your favorite beverages, in less time than ever before (and save money on energy while you’re at it!).
Safety First
Get uncompromising quality, with complete peace of mind. Our electric kettle is constructed from non-toxic borosilicate glass and stainless steel, two of the safest materials for electric kettles. It also comes equipped with automatic shut off, sensing when your water is at boiling (212°F) and switching off power accordingly.
- Brings water to the boil within minutes
- LED light signals when kettle is working
- 1.8L water capacity
- Non-toxic, high quality materials
- More energy efficient than stove-top
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Helpful Water GaugeHaving guests over for a hot drink? Know exactly how much water you’ll need to boil with our handy measurement marks, located on the side of the cordless jug. Heat up to 7 × 250 ml cups at a time! |
Otter Thermostat TechnologyThanks to Otter Thermostat Technology, your electric kettle doesn’t expend any more energy than necessary – it switches off automatically when it senses the water inside has reached 212°F. |
360° RotationFind your kettle’s perfect place in your kitchen. With its ability to rotate 360° in its holder, you can easily move it to fit in just about anywhere. |
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Electric HyperGrind Coffee Grinder | Ultra Coffee Maker | Premium 1500W Electric Kettle | Ultra-Grind Conical Burr Coffee Grinder | |
Package Dimension | 7.72 × 4.41 × 4.33 inches | 15.5 × 11.5 × 9 inches | 9.84 x 7.87 x 1.57 inches | 17.95 × 10.75 × 5.98 inches |
Item Weight | 1.28 pounds | 5.54 pounds | 2.97 pounds | 7.45 pounds |
Color | White, Black, Gray, Red | Stainless Steel | Clear | Black |
Capacity | 11 tablespoons | 12 cups | 7 cups | 32 cups |
Compare with similar items
![]() This item Mueller Ultra Kettle: Model No. M99S 1500W Electric Kettle with SpeedBoil Tech, 1.8 Liter Cordless with LED Light, Borosilicate Glass, Auto Shut-Off and Boil-Dry Protection | ![]() Amazon Basics Electric Glass and Steel Kettle - 1.0 Liter | ![]() Amazon Basics Electric Glass and Steel Hot Tea Water Kettle, 1.7-Liter | ![]() COSORI Electric Kettle with Stainless Steel Filter and Inner Lid, 1500W Wide Opening 1.7L Glass Tea Kettle & Hot Water Boiler, LED Indicator Auto Shut-Off & Boil-Dry Protection, BPA Free, Matte Black | |
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Customer Rating | 4.7 out of 5 stars (47917) | 4.7 out of 5 stars (956) | 4.8 out of 5 stars (9530) | 4.7 out of 5 stars (15179) |
Price | $24.97$24.97 | $24.99$24.99 | $27.99$27.99 | $27.99$27.99 |
Shipping | FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime | FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime | FREE Shipping. Details | FREE Shipping. Details |
Sold By | KNDirect | Amazon.com | Amazon.com | Amazon.com |
Color | Clear | Glass and Steel | White | Black |
Material | M99S | Glass | Glass | Borosilicate Glass, Stainless Steel, BPA-Free |
Product information
Brand | Mueller Austria |
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Color | Clear |
Capacity | 1.8 Liters |
Material | M99S |
Voltage | 110 Volts |
Wattage | 1500 watts |
Product Dimensions | 9.84"L x 7.87"W x 1.57"H |
Product Dimensions | 9.84 x 7.87 x 1.57 inches |
Item Weight | 2.9 pounds |
Department | M99S |
Manufacturer | Mueller Austria |
ASIN | B07TZ5YHJN |
Item model number | M99S |
Customer Reviews |
4.7 out of 5 stars |
Best Sellers Rank | #349 in Home & Kitchen (See Top 100 in Home & Kitchen) #2 in Electric Kettles |
Is Discontinued By Manufacturer | No |
Date First Available | July 5, 2019 |
Warranty & Support
Feedback
Important information
Keep out of the reach of children.
M99S
Use as directed.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on Amazon
Reviewed in the United States on February 19, 2020
Top reviews from the United States
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The blue light mode is as lovely as it is practical.
SUGGESTION: It would be great if there were other 'accessories' -- pots, pans, etc -- that we could use on that same heating element/base of the kettle.
The 1.8 liter kettle is so efficient at boiling water that I use it to jump start boiling water for paste, etc.
Wish we had one of these at university, it would have cooked everything for us.
ENJOY!

By Laura E. Povsner on August 6, 2019

Checked out Amazon for electric kettles in this was one of the most highly reviewed items in the list. I went for it and just recently unboxed it and this was my experience:
Unpacking was easy. It wasn't so tightly packed in that I had to destroy any part of the box and the instructions were right on top as well as the warranty registration information.
It came in two parts, the main kettle and the base. Plugging in the base was a little inconvenient because it has a very robust electrical cord. Tip to the manufacturer if they might be looking at this review: Upgrade to a right-angle plug.
The base is also very lightweight. Being a base, that might not be such a good thing as it is very want to flip over from the rigidity of the cord. It does have very nice rubber feet on the bottom though.
Looking at some of the other reviews, I inspected the kettle & the base for damage or imperfections and found none. In fact, I was pleased to find that one of the largest complaints (being that the lid opens at only 45 degrees and can't fit a human hand for cleaning) was not true for my unit, as seen in the pictures. I have medium-ish sized hands and it was a bit of a squeeze, but I know I'll be able to get a scotch pad inside and scrub it down from time to time.
Now comes the moment of truth! Does it boil water quickly and efficiently?
Well, that all comes down to your interpretation of "quickly".
I started out with one liter of water cold from the tap, as it's an easy metric to use.
From the moment I turned the switch ON to the moment the kettle turned itself OFF after boiling was just over five minutes, which coincides with other reviews suggesting that the full 1.8 l takes about 8 minutes.
That said, I was surprised to find that when the auto-off feature activates, it physically toggles the switch on the handle back to the off position, much like a rice cooker does.
Conclusion?
For about $20 at the time of this purchase, this is a fantastic buy. I have a particularly small kitchen and I value my stove top space. On top of that, my entire abode is electric, so anything that will cut down on that bill in particular is a win in my books. Really it's a simple question:
Does this electric kettle do the electric kettle stuff?
It does for me.
I gave this 4 stars as of the unboxing based on the metrics. 5 stars for "safety" and 3 stars for "easy to clean" and 5 stars for... Performance? It pours nicely into a mug.
I go through a lot of hot water with coffee and tea and whatnot, so I'll update this review after a few months and give an update to its longevity, as I've seen a few reviews talk about how their units cut out after a couple of months.
UPDATE: a few days later I've noticed discoloration on the heating element inside the cattle. It would be nice if the entire casing was glass in the heating element was placed underneath to avoid this issue, but like I said before it's not much for a $20 purchase. What is more prominent inconvenience is that the lid requires you to press down in order for it to pop up and it's a bit of a balancing act. I find myself pressing the button multiple times before the lid finally releases. A stronger spring would be nice to avoid this issue. The last bit is that it's not very easy to drain. I want to avoid keeping water in it, but even putting it upside down the glass has a bit of a lip at the top that keeps water inside. I have to manually dry the inside which is a little bit of a pain. All things said and done, I'm going to keep it at 4 stars for now as I suspected little hiccups here and there for such a low priced object.
FINAL UPDATE:
I've decided to return the item. the lid is just not very well designed. I understand people's complaints about squeezing their hand inside to clean it, but for me the way the release mechanism directly counteracts the opening of the lid was just too annoying to deal with on a regular basis. You have to push down on the button for the lid to pop up, but the spring for the button is stronger than the spring for the hinge, so as you released the button the lid simply relocks before it can lift up. Ultimately, I had to push the button multiple times for the lid to hopefully open to be refilled.
Returning the item was easy as I could drop it off at my nearest UPS store. I have a different kettle on order and I will post a review on that page.

By Adam Long on February 19, 2020
Checked out Amazon for electric kettles in this was one of the most highly reviewed items in the list. I went for it and just recently unboxed it and this was my experience:
Unpacking was easy. It wasn't so tightly packed in that I had to destroy any part of the box and the instructions were right on top as well as the warranty registration information.
It came in two parts, the main kettle and the base. Plugging in the base was a little inconvenient because it has a very robust electrical cord. Tip to the manufacturer if they might be looking at this review: Upgrade to a right-angle plug.
The base is also very lightweight. Being a base, that might not be such a good thing as it is very want to flip over from the rigidity of the cord. It does have very nice rubber feet on the bottom though.
Looking at some of the other reviews, I inspected the kettle & the base for damage or imperfections and found none. In fact, I was pleased to find that one of the largest complaints (being that the lid opens at only 45 degrees and can't fit a human hand for cleaning) was not true for my unit, as seen in the pictures. I have medium-ish sized hands and it was a bit of a squeeze, but I know I'll be able to get a scotch pad inside and scrub it down from time to time.
Now comes the moment of truth! Does it boil water quickly and efficiently?
Well, that all comes down to your interpretation of "quickly".
I started out with one liter of water cold from the tap, as it's an easy metric to use.
From the moment I turned the switch ON to the moment the kettle turned itself OFF after boiling was just over five minutes, which coincides with other reviews suggesting that the full 1.8 l takes about 8 minutes.
That said, I was surprised to find that when the auto-off feature activates, it physically toggles the switch on the handle back to the off position, much like a rice cooker does.
Conclusion?
For about $20 at the time of this purchase, this is a fantastic buy. I have a particularly small kitchen and I value my stove top space. On top of that, my entire abode is electric, so anything that will cut down on that bill in particular is a win in my books. Really it's a simple question:
Does this electric kettle do the electric kettle stuff?
It does for me.
I gave this 4 stars as of the unboxing based on the metrics. 5 stars for "safety" and 3 stars for "easy to clean" and 5 stars for... Performance? It pours nicely into a mug.
I go through a lot of hot water with coffee and tea and whatnot, so I'll update this review after a few months and give an update to its longevity, as I've seen a few reviews talk about how their units cut out after a couple of months.
UPDATE: a few days later I've noticed discoloration on the heating element inside the cattle. It would be nice if the entire casing was glass in the heating element was placed underneath to avoid this issue, but like I said before it's not much for a $20 purchase. What is more prominent inconvenience is that the lid requires you to press down in order for it to pop up and it's a bit of a balancing act. I find myself pressing the button multiple times before the lid finally releases. A stronger spring would be nice to avoid this issue. The last bit is that it's not very easy to drain. I want to avoid keeping water in it, but even putting it upside down the glass has a bit of a lip at the top that keeps water inside. I have to manually dry the inside which is a little bit of a pain. All things said and done, I'm going to keep it at 4 stars for now as I suspected little hiccups here and there for such a low priced object.
FINAL UPDATE:
I've decided to return the item. the lid is just not very well designed. I understand people's complaints about squeezing their hand inside to clean it, but for me the way the release mechanism directly counteracts the opening of the lid was just too annoying to deal with on a regular basis. You have to push down on the button for the lid to pop up, but the spring for the button is stronger than the spring for the hinge, so as you released the button the lid simply relocks before it can lift up. Ultimately, I had to push the button multiple times for the lid to hopefully open to be refilled.
Returning the item was easy as I could drop it off at my nearest UPS store. I have a different kettle on order and I will post a review on that page.







Other problem is that there was a card in the box saying that I should go to the Mueller website to register this and I would get my warrantee doubled. I followed the Directions, but could not find a place to register on the website. I sent them an email about this, but have heard nothing.
Other than the above mentioned disappointment, we like the previous kettle and like the new one So far. Like the idea of a glass kettle.