Cosori Electric Kettle Review: Plastic-Free Water Boiling

You fill your electric kettle every morning, wait three minutes, and pour water that tastes faintly like the inside of a Tupperware container. You have tried descaling it. You have tried boiling vinegar. The plastic taste never leaves because the heating element sits in a plastic chamber that gets hot every single day.

The Cosori Electric Kettle promises a solution: a fully stainless steel interior with no plastic contact points for the water. After reviewing the specs, reading through 10,271 customer reviews, and checking the discovery score of 96, we wanted to see if this kettle actually delivers on that promise.

What it is

The Cosori Electric Kettle is a 1.7-liter stainless steel water boiler with a 1500-watt heating element. The interior is 304 food-grade stainless steel with no plastic parts touching the water. The kettle sits on a 360-degree rotating base with cord storage underneath. It has automatic shut-off when the water reaches boiling and boil-dry protection that cuts power if you turn it on empty.

The lid opens with a button press. The spout has a built-in limescale filter. The handle stays cool during boiling. The exterior is brushed stainless steel. The capacity markers are etched on the inside wall in liters and cups. The power cord is 30 inches long.

The kettle weighs 2.2 pounds empty. It measures 9.4 inches tall with the lid closed and 6.7 inches wide at the base. The opening is 4.3 inches in diameter, which is wide enough to fit your hand inside for cleaning.

Who it is for

This kettle is for people who taste plastic in their water and want to eliminate that variable. If you drink multiple cups of tea or pour-over coffee daily, the plastic-free interior matters. If you make baby formula and want to avoid heating water in plastic, this is a reasonable choice.

It is for households that boil water at least once per day. The 1.7-liter capacity is enough for six to seven cups of tea or four large mugs of coffee. If you live alone and only boil water twice per week, a smaller kettle will take up less counter space.

Skip this kettle if you need precise temperature control. It boils water to 212 degrees Fahrenheit and stops. It does not have temperature presets for green tea, white tea, or French press coffee. If you need 175-degree water, you will have to boil it and wait for it to cool, which defeats the purpose of an electric kettle.

Skip it if you have limited counter space. The base is 6.7 inches in diameter and the kettle sits another 9.4 inches tall. It is not a compact appliance.

How we scored it

We gave this kettle a discovery score of 96 out of 100. That score comes from four factors: the 4.4-star rating across 10,271 reviews, the plastic-free interior claim verified by customer photos, the price point of 35.99 dollars, and the automatic safety features.

The rating held steady across the past 18 months of reviews. We did not see a pattern of quality decline or a spike in defect reports. The review count is high enough that outlier experiences average out. The price is in the middle range for stainless steel kettles, which means it is not the cheapest option but also not marked up for brand prestige.

The discovery score reflects that this product does what it claims without major compromises. It is not perfect, but the flaws are predictable and disclosed.

The pros

• The interior is fully stainless steel with no plastic contact points, which eliminates plastic taste in the water
• The 4.3-inch opening makes it easy to reach inside and wipe down limescale buildup with a sponge
• The 1500-watt element boils a full 1.7 liters in under six minutes, which is faster than stovetop kettles
• The automatic shut-off works reliably and the boil-dry protection prevents damage if you forget to add water
• The 360-degree base lets you place the kettle from any angle, which matters if you are pouring with your left hand
• The handle stays cool even after a full boil, so you do not need a towel to pour
• The cord storage in the base keeps the counter cleaner than kettles with loose cords

The cons

• The lid does not lock closed, so if you tip the kettle too far forward while pouring, the lid can fall open and spill hot water
• The water level markers are etched on the inside, which means you have to open the lid to check how much water is in the kettle
• The limescale filter is not removable, so you have to clean it in place with a brush or vinegar soak
• The kettle is loud during the final 30 seconds of boiling, louder than most stovetop whistles

The verdict

If you have been drinking plastic-flavored water from your current kettle and you boil water daily, the Cosori Electric Kettle solves that specific problem. The stainless steel interior is real, the opening is wide enough to clean properly, and the automatic shut-off works. The price of 35.99 dollars is reasonable for a kettle that will last three to five years with regular descaling.

The cons are not dealbreakers unless you need a quiet kettle or you want to check the water level without opening the lid. The non-locking lid is a design flaw, but you learn to pour carefully after the first time it flops open.

We recommend this kettle if you drink tea or coffee multiple times per day and you care about water taste. We do not recommend it if you need temperature control or if you only boil water occasionally.

FAQ

Does the kettle have an auto shut-off? Yes. It shuts off automatically when the water reaches a full boil. It also has boil-dry protection that cuts power if you turn it on with no water inside.

Can you remove the limescale filter for cleaning? No. The filter is built into the spout. You can clean it with a small brush or by running a vinegar solution through the kettle, but you cannot take it out.

How long does it take to boil a full kettle? A full 1.7 liters takes approximately five to six minutes from room temperature tap water. Half full takes three to four minutes.

Is the exterior stainless steel or plastic? The exterior is brushed stainless steel. The only plastic parts are the handle grip and the base, neither of which touch the water.

Does it work on a 110-volt outlet? Yes. It is designed for standard North American 110-120 volt outlets. It draws 1500 watts, so do not plug it into a power strip with other high-wattage appliances.

Where to buy

Buy on Amazon

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