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Crock-Pot Electric Lunch Box Review: Reliable Single-Purpose Food Warmer with Excellent Value

The Crock-Pot Electric Lunch Box is a reliable single-purpose food warmer with excellent value, best for office workers. Rated 4.7 out of 5 across 9,684 user ratings. The main drawback: the 20-ounce container suits a single portion. We scored it 4.7 out of 5.

By Whimsical Pris, Kitchen Editor Published August 8, 2026 Updated September 26, 2026
4.7Our score
Crock-Pot Electric Lunch Box, Portable Food Warmer for On-the-Go, 20-Ounce, Grey/Lime Crock-Pot Electric Lunch Box, Portable Food Warmer for On-the-Go, 20-Ounce, Grey/Lime, view 2 Crock-Pot Electric Lunch Box, Portable Food Warmer for On-the-Go, 20-Ounce, Grey/Lime, view 3 Crock-Pot Electric Lunch Box, Portable Food Warmer for On-the-Go, 20-Ounce, Grey/Lime, view 4 Crock-Pot Electric Lunch Box, Portable Food Warmer for On-the-Go, 20-Ounce, Grey/Lime, view 5 Crock-Pot Electric Lunch Box, Portable Food Warmer for On-the-Go, 20-Ounce, Grey/Lime, view 6
Product gallery, 6 images
$19.99$39.49 49% off Check price on Amazon

Prices shown were correct on September 26, 2026 and change frequently.

TL;DRThe Short Answer: Is the Crock-Pot Electric Lunch Box Worth It?

Office microwaves are shared, slow, and not always available for a home-cooked lunch that still tastes right. The Crock-Pot Electric Lunch Box skips the communal kitchen entirely: pack a single 20-ounce portion, plug it in at your desk, and let it warm gradually while you work. It does exactly this well, holding heat steadily and cleaning up easily, though the printed wattage on the box doesn't match how gently it actually warms food. It suits anyone eating the same meal alone each day, not someone who wants to cook or feed more than one person.

NoFussDeal rates the Crock-Pot Electric Lunch Box 4.7 out of 5 at $19.99. Last updated September 26, 2026.

Key Facts

Capacity
0.57 liters
Product Dimensions
8"D x 8"W x 6.8"H
Wattage
1500 watts
Voltage
110 volts
Material
Aluminum, Stainless Steel
Color
Old Black & Green Lunch Crock

What Stands Out

  1. Single 20-ounce (0.57-liter) removable, dishwasher-safe container with a spill-proof lid
  2. Exterior stays cool to the touch during use, safe for a desk or car seat
  3. Expect 30 to 45 minutes to heat food from cold, with thicker foods like creamy soup taking closer to an hour
  4. Compact enough for a bag or car seat at 8 by 8 by 6.8 inches and 1.6 pounds

Strengths and Drawbacks

What works

  • The removable container lifts out fully for easy cleaning and even eating straight from it.
  • The exterior stays cool during use, a real plus for sitting on a desk or car seat.
  • It's simple to use: load it, plug it in, and an indicator light tells you it's on, with no dials or menus.
  • It heats food gently and evenly without drying it out.
  • Built-in cord storage on the base keeps the cord tidy when it's not in use.

What does not

  • The 20-ounce container suits a single portion, not a larger meal or multiple courses.
  • Heating takes 30 to 45 minutes, longer for dense or frozen food, so it needs advance planning rather than spontaneous use.
  • There's no temperature control or auto shut-off, so timing it around your schedule is up to you.
  • The printed wattage doesn't match how gently it actually warms food, so don't rely on it to estimate heating time.

Features in Depth

01

A Single 20-Ounce Container, Built for One Portion

Capacity 20 oz / 0.57 L Container Single, removable, dishwasher-safe Lid Spill-proof

This is one 20-ounce (0.57-liter) removable container with a spill-proof lid, sized for a personal lunch portion or a dip rather than a full meal for multiple people. The container is dishwasher safe and lifts out completely for cleaning, which solves the main practical problem with any electric warmer: getting the part that touches food properly clean without submerging the base. Cleaning really is easy, which follows from this simple, single-container design.

$19.99 4.7/5 Check price
02

The Printed Wattage Doesn't Match How It Actually Heats

Printed Wattage 1,500 W Real Heat-Up Time ~30-45 minutes Voltage 110V

Crock-Pot lists this warmer at 1,500 watts, a figure worth treating with real skepticism. That's roughly what a full-size electric kettle or a compact space heater draws, and it doesn't line up with how the warmer actually behaves: a gentle, gradual heat-up over roughly 30 to 45 minutes, sometimes longer for thicker foods like creamy soup. Heating speed and temperature are still strengths for this kind of use: a frozen portion of homemade chili can reach a comfortable eating temperature by the time a work break arrives. Rely on the real warm-up time rather than the printed number when deciding how far ahead to plug it in.

$19.99 4.7/5 Check price
03

A Cool Exterior, and Some Confusion Over Color Naming

Exterior Heat Stays cool during use Dimensions 8" x 8" x 6.8" Weight 1.6 pounds

The exterior stays cool during use, a genuine safety feature for something that sits on an office desk or a car seat during a commute, and it reflects the insulated housing built into this style of personal warmer. Color naming for this model has been inconsistent online, showing up as both Grey/Lime and an older black-and-green name, most likely left over from an earlier version of the product. Check current photos before ordering if the exact shade matters to you. The unit itself measures 8 by 8 by 6.8 inches and weighs 1.6 pounds, compact enough for a bag or car seat.

$19.99 4.7/5 Check price
04

Built for a Daily Lunch Routine

Suitability for Work Positive Ease of Cleaning Positive Convenience Positive

Performance, temperature, suitability for work, size, heating speed, value, ease of cleaning and convenience are all strengths, with no single weakness standing out, which is unusual for a product in this category. It fits a daily office lunch, a truck cab while traveling for work, or reheating frozen home-cooked portions instead of resorting to fast food. Setting aside the wattage figure worth taking with a grain of salt, this is a strong, low-risk pick for anyone who wants a hot lunch away from a kitchen without buying a full-size appliance.

$19.99 4.7/5 Check price

How We Scored It

Based on
The manufacturer's published specifications and the product's live Amazon listing.
Owner rating
4.7 out of 5 on Amazon, recorded September 26, 2026
How we score
We score each thing that comes up most in owner feedback on the Crock-Pot Electric Lunch Box. Eight things come up most in owner feedback: all eight draw praise. Its ratings average 4.7 stars (82% five stars, 11% four, 4% three and 3% one or two), so every score starts at 94, that average on a 100 point scale. Where opinion is split, we take off 6. Where it draws mostly complaints, we take off 12. Then we read ten owner reviews in full (every one we found gave it four or five stars) and move the score up to 5 points either way depending on how the owners who mention it rated the product. Our overall score starts from the same 4.7 star average and loses 0.1 for each thing that draws mostly complaints, with 0.1 more when at least a tenth of ratings are one star, never more than 0.3 in all. Nothing comes off here, so it stays at 4.7. Read our editorial standards

Performance

One of the ten owner reviews we read mentions it. That owner gave the product four or five stars. Score 94: its 4.7 star average on a 100 point scale.

94Positive

Temperature

Crock-Pot lists the wattage as 1500 watts. Eight of the ten owner reviews we read mention it. All of them gave the product four or five stars. Score 98: we started at 94 and added 5 because the owner reviews that mention it are positive, capped at 98, the highest any score goes.

98Positive

Suitability For Work

Seven of the ten owner reviews we read mention it. All of them gave the product four or five stars. Score 98: we started at 94 and added 5 because the owner reviews that mention it are positive, capped at 98, the highest any score goes.

98Positive

Size

The 20 oz container is praised for its generous portion size and portability, while the removable metal bowl makes it easy to clean. Crock-Pot lists the product dimensions as 8"D x 8"W x 6.8"H and the capacity as 0.57 liters. Six of the ten owner reviews we read mention it. All of them gave the product four or five stars. Score 98: we started at 94 and added 5 because the owner reviews that mentio…

Read the full note (460 characters)

The 20 oz container is praised for its generous portion size and portability, while the removable metal bowl makes it easy to clean. Crock-Pot lists the product dimensions as 8"D x 8"W x 6.8"H and the capacity as 0.57 liters. Six of the ten owner reviews we read mention it. All of them gave the product four or five stars. Score 98: we started at 94 and added 5 because the owner reviews that mention it are positive, capped at 98, the highest any score goes.

98Positive

Heating Speed

Crock-Pot lists the wattage as 1500 watts. Eight of the ten owner reviews we read mention it. All of them gave the product four or five stars. Score 98: we started at 94 and added 5 because the owner reviews that mention it are positive, capped at 98, the highest any score goes.

98Positive

Ease Of Cleaning

Six of the ten owner reviews we read mention it. All of them gave the product four or five stars. Score 98: we started at 94 and added 5 because the owner reviews that mention it are positive, capped at 98, the highest any score goes.

98Positive

Owner Satisfaction

82% of ratings are five stars and 11% are four. 4% are three stars and 3% are one or two. Very few ratings land that low. Score 94: its 4.7 star average on a 100 point scale.

94Positive

Value for Money

Four of the ten owner reviews we read mention it. All of them gave the product four or five stars. Score 98: we started at 94 and added 5 because the owner reviews that mention it are positive, capped at 98, the highest any score goes.

98Positive

Specifications

Size and weight

Capacity
0.57 liters
Product Dimensions
8"D x 8"W x 6.8"H

Power

Wattage
1500 watts
Voltage
110 volts

Materials and warranty

Material
Aluminum, Stainless Steel
Color
Old Black & Green Lunch Crock

What Buyers Say

Based on 9,684 Amazon customer ratings, averaging 4.7 out of 5, recorded 12 September 2026. See the reviews on Amazon

5 stars 82%
4 stars 11%
3 stars 4%
2 stars 1%
1 stars 2%
★★★★★

Very useful! Portable!

I've been eyeing this little machine for over a year. I've finally purchased it to save time before or during work - I can bring my cold food and heat it during work. I was disappointed at f… Read it on Amazon
Ching-Yin Lee · September 30, 2023 · Verified
★★★★★

This thing has changed my life.

I work, for the most part, on the road and I've seen all too often how easy it is to get caught in the fast food life style. I simply refuse to eat out for lunch while working. It's costly a… Read it on Amazon
Damon C. · May 20, 2015 · Verified
★★★★★

Possibly the best thing ever made!

Absolutely live this product. Despite some negative reviews and being a long time fan of the crock pot brand, I bought 2. My husband travels for work and eats in his truck allowing him to no… Read it on Amazon
Britnee · January 9, 2020 · Verified
★★★★★

If you freeze single portion chili, soup or stews-you need this.

I love this little Crock-Pot. I have an office cubicle and I can just plug it in, pop in my frozen homemade chili when I get to work and it's the perfect temperature when I'm ready to eat it… Read it on Amazon
Amazon Shopper · June 24, 2020 · Verified
★★★★☆

Cute and functional

UPDATE: Get one of these!! I use this everyday. It heats everything from soup and stews to macaroni, eggs, potatoes, veggies and rice dishes. I plug it in about an our before lunch and every… Read it on Amazon
Kimberli · June 4, 2020 · Verified
★★★★★

Puts the "Pot" in Crock Pot!

This product puts the "pot" into Crock Pot, as it's the perfect temperature for soaking a certain (unnamed) herb in oil for several days. (It has only one temperature setting, which cannot b… Read it on Amazon
D. Coleman · May 17, 2021 · Verified

Setting It Up

  1. Wash Before First Use

    Wash the removable container and lid in warm soapy water, or run them through the dishwasher, before using the warmer for the first time.

  2. Load Your Food

    Add pre-cooked or frozen food to the container. Soup, chili, stews, pasta and rice dishes all work well as single portions.

  3. Secure the Lid

    Fit the spill-proof lid onto the container. The soft inner lid can pop up slightly as it heats and expands, which is normal and mentioned in the product manual, and it seats snugly again once it cools.

  4. Plug It In

    Place the loaded container into the base and plug it into a standard outlet. There's no temperature dial or timer: an indicator light simply shows the unit is powered on.

  5. Let It Warm

    Give it roughly 30 to 45 minutes for most foods, and closer to an hour for something dense like a thick soup or a frozen portion. Plugging it in ahead of a work break is the easiest way to time it.

  6. Unplug and Serve

    Unplug the unit before removing the container, and take care since the metal insert and its contents will be hot.

Common Questions

Is it really 1,500 watts? That seems like a lot for such a small warmer.

Crock-Pot lists 1,500 watts on the box, but that figure is worth taking with real skepticism: it's roughly what a full-size kettle or a compact space heater draws, well out of proportion to a 20-ounce personal warmer. The actual warm-up is a gentle 30 to 45 minutes, which points to a much lower actual draw. Plan your timing around that rather than the printed number.

Is it actually grey/lime, or black and green?

Color naming for this model has been inconsistent online, showing up as both Grey/Lime and an older black-and-green name, most likely left over from an earlier version of the product. Check the current photos and color options before ordering if the exact shade matters to you.

Does the outside get hot while it's warming food?

No. The exterior stays cool during use, a real safety feature for something meant to sit on a desk or a car seat during a commute.

How long does it take to heat up frozen food?

Expect roughly 30 to 45 minutes from cold or frozen to properly hot, sometimes closer to an hour for something dense like a thick soup. Plugging it in ahead of a work break is the simplest way to time it.

Can I put the container in the dishwasher?

Yes. The removable container is dishwasher safe, and it is genuinely easy to clean. The base with the heating element isn't meant to be submerged; only the container goes in the dishwasher.

Is 20 ounces enough for a full lunch?

It's sized for a personal portion or a dip rather than a family-size meal, and it suits single servings of soup, chili, stews and similar dishes. Size is a strength specifically for that one-person use case.

On Video

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The Verdict

4.7Out of 5

The Crock-Pot Electric Lunch Box delivers on its core promise: a genuinely simple way to turn a cold, packed lunch into a hot one. The single removable container is dishwasher safe, the exterior stays cool during use, and it works reliably across offices, job sites and long drives. The trade-offs are real: heating takes 30 to 45 minutes or longer, there's no way to speed it up or customize the temperature, and the printed wattage doesn't match how gently it actually heats. For anyone eating the same single portion daily without kitchen access, it's a low-risk pick.

Who should buy it

  • Office workers who want a hot lunch without relying on a communal microwave
  • Anyone working from a vehicle with access to a power outlet or inverter, including delivery and long-haul drivers
  • People who eat the same single portion daily and want to plan around a 30 to 45 minute warm-up
  • Buyers who want a simple, dishwasher-safe design over a warmer with digital controls
  • Anyone reheating frozen or refrigerated home-cooked meals instead of buying lunch out

The Crock-Pot Electric Lunch Box excels at one job: warming a single packed lunch reliably without a communal microwave, whether that lunch is eaten at a desk, on a job site or in a truck cab.

Check price on Amazon

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