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Zeppoli Electric Kettle ZPL-KETTLE vs Cosori Glass Electric Kettle (GK172-CO) Side-by-Side Comparison

Our review shows which simple glass electric kettle is better. The Zeppoli Electric Kettle ZPL-KETTLE or the Cosori Electric Kettle (GK172-CO)?

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Zeppoli Electric Kettle ZPL-KETTLE vs Cosori Glass Electric Kettle (GK172-CO)

Overall Verdict

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At similar prices, the Zeppoli Electric Kettle ZPL-KETTLE is slightly better than the Cosori Electric Kettle (GK172-CO) in all aspects including performance, design, and usability.

These two glass kettles have high quality design features like water-level markings, an LED ring, a lid button, and a power switch. Additionally, they both have large openings for easy cleaning.

One notable feature of the Cosori kettle is its stainless steel inner lid, so there’s no plastic to water contact. However, unlike the Zeppoli, the Cosori's limescale filter is not removable for frequent maintenance.

At the same power draw, the Zeppoli boils water faster, consumes less energy, is quieter when boiling, and retains heat slightly better than the Cosori afterward. The Zeppoli also costs slightly less than the already inexpensive Cosori.

Pros & Cons

  • Fast boiling time
  • Low energy consumption
  • Extremely quiet boiling phase
  • Good heat retention
  • Affordable
  • Light weight
  • Easy to use and clean
  • Glass spout
  • Stainless steel under lid
  • Large opening
  • Quiet when boiling
  • Easy to use
  • Light weight
  • Flat two-prong cord
  • Plastic lid interior
  • High energy consumption
  • Cord doesn’t fit storage

Key Specs

Dimensions
L9.06 x W6.30 x H8.46 inches
L9.13 x W6.22 x H10.25
Weight
2.7 lbs (1.2 kg)
2.4 lbs (1.1 kg)
Material
Glass and BPA-free plastic
Glass and BPA-free plastic
Capacity
57.5 fl oz (1.7 L)
57.5 fl oz (1.7 L)
Power
1500 W
1500 W
Cord Placement
Base (cordless carafe)
Base (cordless carafe)

Where to Buy

Price at publication
$27.97
$28.65

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Analysis and Test Results

Performance

Overall Performance Scoring
8.4
7.3

Boiling Time

8.2
8.0
1.5 liters of water boiling inside the Zeppoli Electric Kettle ZPL-KETTLE. The digital timer displays 06 minutes and 51 seconds.
1.5 liter of water boiling inside the Cosori Glass Electric Kettle (GK172-CO). The digital timer displays 7 minutes and 1 seconds.
Room Temperature
80°F (26.7°C)
80°F
Water Volume
50.72 fl. oz. (1.5 liters)
1.5 liters
Boiling Time
6m 51s
7m 1s

Energy Consumption

8.6
5.8
The power meter reads the energy consumption of the Zeppoli Electric Kettle ZPL-KETTLE to be 147 Wh.
The power meter reads the energy consumption of the Cosori Glass Electric Kettle (GK172-CO) to be 161 Wh.
Voltage
111 V
114 V
Current
11.43 A
12.12 A
Power
1260 W
1370 W
Energy Consumption
147 Wh
161 Wh

Noise Level

9.5
9.0
The Zeppoli Electric Kettle ZPL-KETTLE is boiling 1.5 liters of water. The noise meter displays the maximum sound pressure level to be 64.7 dB. The power meter reads 113 V, 8.125 A, 929 W, 100 Wh, 50 Hz, and 1.0 PF.
The Cosori Glass Electric Kettle (GK172-CO) is boiling 1.5 liters of water. The noise meter displays the maximum sound pressure level to be 70.4 dB. The power meter reads 114 V, 12.12 A, 1.37 kW, 0.63 Wh, 50 Hz, and 1.0 PF.
Noise Level
64.7 dB
70.4 dB

Keep Warm

7.5
6.5
On the right is a Thermo Pro two-probe digital thermometer displaying 203°F and 204°F. In the middle is the Zeppoli Electric Kettle ZPL-KETTLE with 1.5 liters of water and two probes inside. On the right is a digital timer on a 5 minute countdown.
On the right is a Thermo Pro two-probe digital thermometer displaying 200°F for both probes. In the middle is the Cosori Glass Electric Kettle (GK172-CO) Keep Warm with 1.5 liters of water and two probes inside. On the right is a digital timer displaying 5 minutes on the countdown.
After 5 Minutes
203°F / 94.5°C
201°F / 94.5°C

Design

Overall Design Scoring
7.9
7.6

In the Box

In the middle is the Zeppoli Electric Kettle ZPL-KETTLE. On the left is a cardboard box, below it is the power base. On the right is an instruction manual.
On the upper left is the box of the Cosori Glass Electric Kettle (GK172-CO). In the middle is the carafe. On the right are two documents. Below the carafe is the power base.

Dimensions

The Zeppoli Electric Kettle ZPL-KETTLE is 9.06 inches in length, 6.30 inches in width, and 8.46 inches in height.
The Cosori Glass Electric Kettle (GK172-CO) is 9.13 inches in length, 6.22 inches in width, and 10.25 inches in height.
Length
9.1" (23.0 cm)
9.1" (23.2 cm)
Width
6.3" (16.0 cm)
6.2" (15.8 cm)
Height
8.5" (21.5 cm)
10.3" (26.0 cm)
Weight
2.7 lbs (1.2 kg)
2.4 lbs (1.1 kg)

Carafe

8.0
7.0
The carafe of the Zeppoli Electric Kettle ZPL-KETTLE sitting on top of its power base.
The carafe of the Zeppoli Electric Kettle ZPL-KETTLE sitting on top of its power base.
The heating plate with a LED ring around it of the Zeppoli Electric Kettle ZPL-KETTLE.
The heating plate with a LED ring around it glowing blue of the Zeppoli Electric Kettle ZPL-KETTLE.
The plastic black V-shaped spout of the Zeppoli Electric Kettle ZPL-KETTLE.
The lid opening diameter of the Zeppoli Electric Kettle ZPL-KETTLE is 3.94 inches.
The plastic black bottom of the Zeppoli Electric Kettle ZPL-KETTLE.
The carafe of the Cosori Glass Electric Kettle (GK172-CO) sitting on top of its power base.
The carafe of the Cosori Glass Electric Kettle (GK172-CO) sitting on top of its power base.
The heating plate with a LED ring around it of the Cosori Glass Electric Kettle (GK172-CO).
The heating plate with a LED ring around it glowing blue of the Cosori Glass Electric Kettle (GK172-CO).
The glass V-shaped spout of the Cosori Glass Electric Kettle (GK172-CO).
Capacity
57.5 fl oz (1.7 L)
57.5 fl oz (1.7 L)
Weight
2.3 oz (64 g)
2.1 oz (59 g)
Materials
Borosilicate glass
Borosilicate glass
Spout
V-shaped
V-shaped
Opening Diameter
3.94 in. (10 cm)
4.3" (11.0 cm)
LED Ring
Blue
Blue
Filter
Removable mesh
Removable mesh
Water Level Markings
Yes
Yes
Tea Infuser
No
No

Handle

7.0
7.0
A hand holding the Zeppoli Electric Kettle ZPL-KETTLE by its handle.
A hand holding the Cosori Glass Electric Kettle (GK172-CO)  by its handle.
Materials
Cool-touch BPA-free plastic
Cool-touch BPA-free plastic
Type
Cool-touch, anti-slip
Cool-touch, anti-slip

Lid

7.0
8.0
The stainless steel pop-up lid of the Zeppoli Electric Kettle ZPL-KETTLE.
The stainless steel pop-up lid of the Zeppoli Electric Kettle ZPL-KETTLE.
The pop-up lid of the Zeppoli Electric Kettle ZPL-KETTLE opens at an 75° angle.
The pop-up lid of the Cosori Glass Electric Kettle (GK172-CO) opens at an 80° angle and has a mesh filter attached to it.
The pop-up lid of the Cosori Glass Electric Kettle (GK172-CO) opens at an 80° angle and has a mesh filter attached to it.
The lid’s pop-up button of the Cosori Original Electric Glass Kettle (GK172-CO) is located on its handle.
Materials
BPA-free plastic
304 stainless steel
Type
Hinged
Hinged
Open Mechanism
Push-button pop-up
Push-button

Base

9.0
9.0
The top of the power base of the Zeppoli Electric Kettle ZPL-KETTLE.
The top of the power base of the Zeppoli Electric Kettle ZPL-KETTLE.
The bottom of the power base of the Zeppoli Electric Kettle ZPL-KETTLE has a cord storage and also three small anti-slip rubber pads.
The top of the power base of the Cosori Glass Electric Kettle (GK172-CO).
The top of the power base of the Cosori Glass Electric Kettle (GK172-CO).
The bottom of the power base of the Cosori Original Electric Glass Kettle (GK172-CO) has a cord storage and also three small anti-slip silicone pads.
Materials
BPA-free plastic
BPA-free plastic
Type
Swivel 360°
 Swivel 360°
Cord Storage
Yes
Yes

Power Cord

The two-pronged flat power cord of the Zeppoli Electric Kettle ZPL-KETTLE.
The two-pronged plug of the Cosori Glass Electric Kettle (GK172-CO).
The two-pronged plug of the Cosori Glass Electric Kettle (GK172-CO).
The power cord of the Cosori Glass Electric Kettle (GK172-CO) is 29.53 inches in length.
Type
two-pronged plug
two-pronged plug
Power
1500 W
1500 W
Rated Output
120 V ~ 60 Hz
120 V ~ 60 Hz
Cord Placement
Base
Base
Cord Length
32.28 in. (82 cm)
29.5" (75.0 cm)

Usability

Overall Usability Scoring
7.5
7.3

User Control

7.0
7.0
The clear plastic power switch of the Zeppoli Electric Kettle ZPL-KETTLE.
The clear plastic power switch of the Cosori Glass Electric Kettle (GK172-CO).
Control
One touch
One touch
Indicator Light
No
Blue LED
Display
No
No
Temperature Control
No
No
Presets
No
5
Keep Warm
No
30 minutes
Automatic Shut-Off
Yes
Yes
Boil-Dry Protection
Yes
Yes

Ease of Use

8.0
8.0
A hand pouring water from the Zeppoli Electric Kettle ZPL-KETTLE into a glass of black tea.
A person in a grey shirt pouring water from the Cosori Glass Electric Kettle (GK172-CO) into a glass.

Cleaning

7.0
6.0
A person in a white shirt holding the Zeppoli Electric Kettle ZPL-KETTLE by its handle on one hand and the other hand wiping the carafe interior with a piece of tissue.
A person in a white shirt holding the Zeppoli Electric Kettle ZPL-KETTLE by its handle on one hand and the other hand wiping the carafe interior with a piece of tissue.
The removable mesh filter of the Zeppoli Electric Kettle ZPL-KETTLE.
A person in a black shirt holding the Cosori Glass Electric Kettle (GK172-CO) by its handle on one hand and the other hand wiping the carafe interior with a piece of tissue.