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Coffee Grinder Electric Burr Portable: COTGCO Small Espresso Bean Mill with Conical Burr – Adjustable & Rechargeable Battery – Extra Fine to Extra Coarse (Silver-1)


  • 1600mAh battery capacity with up to 20 full charges
  • Durable stainless steel conical burr for consistent grind size and flavor
  • Adjustable grind settings from ultra fine to extra coarse
  • Super quiet and cordless with a rechargeable battery
  • Non-slip and heat-resistant aluminum alloy body
  • One-button operation with automatic stop after two minutes
  • Compact size: 2.44 x 2.44 x 7.68 inches, weighs 1.68 pounds
  • Country of origin: China, model number: CGM020
Last updated on May 30, 2024 6:42 pm Details


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Buying Guide – Coffee Grinder Electric Burr Portable: COTGCO Small Espresso Bean Mill with Conical Burr – Adjustable & Rechargeable Battery – Extra Fine to Extra Coarse (Silver-1)


Welcome to our buying guide for the Coffee Grinder Electric Burr Portable: COTGCO Small Espresso Bean Mill. In this guide, we will provide you with all the information you need to make an informed decision when selecting the perfect coffee grinder to meet your needs.

Key Features

Before diving into the buying guide, let’s take a look at some key features of the COTGCO Coffee Grinder:

  • 1600mAh Large Capacity Battery
  • Durable Stainless Steel Conical Burr
  • Ultra Coarse to Ultra Fine Grinding Settings
  • Super Quiet, Cordless & Rechargeable
  • Non-slip and Durable Aluminum Alloy Body
  • One-Button Operation with Automatic Stop

Selection Factors

Battery Capacity

The COTGCO Coffee Grinder comes with a large capacity 1600mAh battery. Consider your usage habits and frequency of travel when selecting a coffee grinder. If you frequently travel or camp, a larger battery capacity will provide you with extended usage without the need for frequent recharging.

Burr Type

Stainless steel conical burrs are known for their superior grind size consistency and flavor. Compared to blade and ceramic grinders, conical burrs offer better results. Consider the longevity and performance of the burrs when selecting your coffee grinder.

Grind Settings

The COTGCO Coffee Grinder offers a wide range of grind settings, from ultra fine to extra coarse. Consider the specific coffee brewing methods you prefer, such as Turkish coffee, espresso, French press, etc., and ensure the grinder can produce the desired grind size for those methods.

Noise Level

If noise is a concern for you, the COTGCO Coffee Grinder features an ultra-quiet brushless motor. Consider the noise level during the grinding process to determine if it aligns with your preferences.

Portability and Durability

The silver aluminum alloy body of the COTGCO Coffee Grinder is designed to be non-slip, heat-resistant, and durable. If you plan to carry the grinder while hiking, mountaineering, or camping, consider its portability and durability features.


With its outstanding features, the COTGCO Coffee Grinder Electric Burr Portable is a reliable and versatile option for coffee lovers. By considering factors such as battery capacity, burr type, grind settings, noise level, portability, and durability, you can make an informed decision that best suits your coffee grinding needs.

Specification: Coffee Grinder Electric Burr Portable: COTGCO Small Espresso Bean Mill with Conical Burr – Adjustable & Rechargeable Battery – Extra Fine to Extra Coarse (Silver-1)

Product Dimensions

2.44 x 2.44 x 7.68 inches

Item Weight

1.68 pounds

Country of Origin


Item model number



1 Lithium Ion batteries required. (included)

Date First Available

July 28, 2023

11 reviews for Coffee Grinder Electric Burr Portable: COTGCO Small Espresso Bean Mill with Conical Burr – Adjustable & Rechargeable Battery – Extra Fine to Extra Coarse (Silver-1)

4.6 out of 5
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  1. Tom Crane

    The media could not be loaded.

     I’m quite passionate about coffee and considering that I travel quite a lot I have in the car a lot of accessories in order to make coffee on the go but the only thing that I needed was a grinder because I prefer to use beans to get that nice fresh coffee and even though before I had one grinder but it was made from plastic and it didn’t last that long so for that reason I was looking for one that it is very well built and I found this one and I have decided to see how it performs.

    Related to the build in quality which is an important aspect for my use, I have literally not in the complain about this product because it is made from metal and even when I have put coffee beans which were not that roasted and they were quite hard, the grinder didn’t have a problem getting very fine coffee powder(the type of espresso) and related to the battery, from what I have seen based on my experience it lasts for around two hours in total somewhere around that(I didn’t count exactly how many minutes because I use it for roughly five to ten minutes max when I grind coffee).

    Also since I have it I didn’t experience any kind of issues related to the beans getting blocked inside and to my surprise it is not that noisy which is also a nice feature. I grind on average 50 grams of coffee and so for this product performs as expected and also it is easy to clean which I do from anytime.

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  2. Eli

    The first thing that struck me was how heavy and solid this grinder was. I expected something a little more flimsy and I was pleasantly surprised that this exceeded my expectations. I had been looking for a burr grinder to make my cold brew. The first time I tried to move the knob that changed how fine the finished product is, it wouldn’t budge. My son moved it for me and now it’s easy for me to do. I put it on a really coarse grind (again, for cold brew) and was happy with how coarse it came out. Sometimes not even the store’s grinders will grind coarse enough. It IS a grinder for a single cup and I had to load and empty 5 times to fill my brew basket but it was all very fast to do. This is a great little tool, I imagine it will be wonderful for traveling with a portable drip system. I also love the fact that it’s USB rechargeable.

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  3. Mr.Shop

    Is a good grinder. Does as advertised. Would like if there was a different way to adjust grind, but for the cost it’s a minor gripe. It’s not very big so it’s great as a spice grinder, since my last bag of salt was VERY course to point of barely edible from the way it changed the texture of my food… and this fixed that easily now. I might keep eye open for deals on larger coffee grinders, though, since this is more for a cup or two worth of coffee, and I make big batches of cold brew… not that it would take long to do a few batches of bean grinding with this. It’s fairly quick. But it also has a warning about not running it for very long without a rest because it overheats. I don’t think it’s going to be that hard to clean either since don’t see me grinding anything fairly messy with it.

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  4. M

    This thing is whisper quiet while grinding, which I absolutely love especially in the morning. The grind it produces is very even, and comes out nice and fluffy. You might be able to pull off a decent espresso grind with this. I didn’t charge it out of the box and have probably used it 5 times, and it still hasn’t required charting. I like that it charges via USB c.

    At a listed capacity of 15grams though, it’s probably too small of a capacity for a pourover or anything other than single cup brewing or espresso.

    would recommend, provided you’re okay with the small capacity.

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  5. RunR

    Tengo una camper donde me encanta hacer un buen café con la cafetera italiana, sin embargo no me gusta comprar café molido ya que me gusta comprar mis propios granos. Normalmente muelo un poco de café en casa y me lo llevo pero este sistema no me vale en viajes más largos.
    No querĂ­a llevarme el molinillo de casa porque no tengo ni quiero poner 230V en la furgoneta y cuando vi este molinillo recargable me encantĂł.

    Ahora que estoy en pleno viaje de vacaciones lo estoy usando a diario y sólo puedo decir que es una maravilla. Lo primero que sorprende es su peso y su robustez, basta cogerlo para darse cuenta de que no es un aparato cutre. Las muelas son metálicas y tiene fuerza más que suficiente.
    Puedes regular el nivel de molienda y su uso es muy sencillo. Cargas, cierras, le das al botón y el café molido empieza a caer al depósito inferior. En mi caso lo uso moliendo directamente sobre el cacito de la cafetera.

    Llevo varios días usándolo y es perfecto. Café recién molido en mitad del campo sin electricidad.

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  6. David R

    Really like this grinder – super easy to setup with usb and delivers a really consistent grind for the coffee. Each to change the grind size it is the perfect amount for one cup of of coffee – would highly recommend as a portable grinder or just to have at home to make your daily coffee!

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  7. RunR

    Il macinino è in grado di produrre una polvere dalla consistenza perfetta. Fa però un po’ fatica se lo si usa troppo poco, mentre al massimo funziona perfettamente. Ha una batteria da 1600mAh e un “serbatoio” macinacaffè con una capacitĂ  di 15g. Il secchio inferiore in vetro è rimovibile ed è sicuramente una cosa comoda per la pulizia. La qualitĂ  della macchina è eccellente, è robusta. Il prezzo di vendita è ottimo per il prodotto che riceverete

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  8. Amazon Customer

    I picked this up as I’m trying to cut down on counter space, and the hand mill while it does an excellent job was a total workout every morning. This provides similar results without all the manual labor. I will say my true hand mill can produce a finer grind, but this is more than adequate for my delonghi dedica.

    The capacity is right at a double shot at around 14.5 grams, maybe a little more if you were to push it against the recommendation of the manual. It takes about as long as it would to hand grind that amount, but it’s totally effortless. Sounds like it’s struggling just a bit, probably affected by how fresh your beans are too I’d imagine. Otherwise it does a good job, I just wish the bottom recepticle was real glass and not acrylic.

    The aluminum housing feels premium, but as far as cleaning it goes, it would be difficult to tear down the burrs as they have tiny retaining rings holding them in place. Best bet would be a cordless air pump or those handheld vacuums to just blow out the grounds if you’re changing coffee’s.

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  9. David R

    Although this states that is portable it’s not something that I actually carry around with me all the time, however what it is is something that I can grow out of the cupboard to go as and when I need it which works really well for me.

    It’s rechargeable so I just have to top up the battery every now and again and when I grab it I can use freshly roasted beans pop them inside and grind them to whichever level I need at that time based on recommendations. It makes a huge difference to the taste of your coffee although I didn’t think you would it really does.

    Yes it made feel a little opulent however in my eyes it’s really worth the extra time to do it yourself.

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  10. Amazon Customer

    I wanted to get a small grinder to use as I am the only coffee drinker in my family. I went with this travel grinder because it met my needs as being a smaller grinder to make single cup servings of coffee.

    This grinder is heavy. It is the first thing I noticed when taking it out. I like that as it makes it feel reliable and sturdy. It does a great job at grinding coffee, too. It has a plethora of different grinding options to make the coffee grounds as coarse or fine as you like. I am not a big coffee connoisseur, so I’m not getting fancy with how I prepare my coffee, so I put it at 6 and find a medium grind just fine for my needs.

    I do not grind my own coffee every day. Sometimes, I will use other coffee I have and will leave this be and not use it. The battery on this coffee grinder will die rather quickly and I have to plug it in after not using it for a few days because the battery discharged and is dead. It’s not a huge device so it can’t have a large battery, but I would assume that it wouldn’t die so quickly after only a few uses. It charges quickly so that is OK, but I think that quick charge to full = quick discharge.

    That aside, this is a robust coffee grinder that gets the job done and it does what it’s supposed to do well. Just make sure you charge it before you head out the door with it if you are using it on the go.

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  11. Ichie

    The media could not be loaded.

     For a heavy coffee drinker, this unit is pretty small but most grinders are not portable and rechargeable! Furthermore, I found that multiple grinds can accommodate as many people as you have a charge in this convenient and well-made machine.

    The body of the grinder is a solid metal and the plastic cup on the bottom can be used to store the beans until ready for grinding (about 1/4 cup max which matches the max input into the grinder itself) and then captures the ground product.

    I struggled with locking and unlocking the grinder (where the beans go) and the motor unit. You just have to get a feel for the “click” needed to lock them in place.

    The grind adjustment is confusing and the instructions offer little help. After making the attached video, I tried adjusting the grind setting numerous times. The settings range from 0 to 10 and then there is a setting labeled “II”. I found only negligible differences in courseness/fineness. After all, this is intended as an espresso grinder so one would expect a fairly fine ground.

    Note that the grinding compartment has three separate compartments. You must spread the beans evenly across these compartments to grind all of the beans at the same time.

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    Coffee Grinder Electric Burr Portable: COTGCO Small Espresso Bean Mill with Conical Burr – Adjustable & Rechargeable Battery – Extra Fine to Extra Coarse (Silver-1)
    Coffee Grinder Electric Burr Portable: COTGCO Small Espresso Bean Mill with Conical Burr – Adjustable & Rechargeable Battery – Extra Fine to Extra Coarse (Silver-1)


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