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How Much Caffeine Is in High Voltage Coffee? 2024 Breakdown

a cup of coffee on a wooden table

Caffeine (serving: 12 fl oz)
1150 mg
Caffeine (mg / fl oz)
Caffeine strength

If you know anything about coffee, you know that a regular cup of black gold will give you a decent energy boost and improve your focus for a few hours. With a mere 60 to 80 milligrams per 8-ounce cup, however, brewed coffee is rather tame in comparison to most energy drinks. Some coffee brands are fighting to win back the title of “Most Caffeinated” beverage. One is High Voltage Coffee, a so-called “extremely caffeinated” coffee brand from Australia.

The company’s goal is simple; create the strongest cup of coffee possible. Every 12-ounce serving contains 1150 milligrams of caffeine, the equivalent of 16 cups of regular brewed coffee! That is an amount of caffeine referred to as “dangerous” by health experts. Indeed, this is a cup of coffee for those who truly know their caffeine limits. Want to learn more about High Voltage Coffee and the trend to make the most caffeinated cup of coffee on the planet?  If so, grab a cup of your favorite brew and read on!

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How Much Caffeine Do Highly Caffeinated Brands Contain?

High Voltage Coffee, as mentioned earlier, is one of a special breed of new coffee brands endeavoring to deliver brewed coffee with the highest level of caffeine per cup. It’s an interesting goal and has its fair share of enthusiasts. Extremely caffeinated coffee has plenty of critics, many of whom argue that drinking massive amounts of caffeine quickly is risky and raises several health concerns.

The average American ingests 135 milligrams of caffeine daily, equivalent to 1.5 cups or 12 ounces of brewed coffee. Also, the U.S. FDA sets the daily “safe” limit of caffeine at 400 milligrams, equal to about 4 cups of java.

Neither of those numbers comes close to High Voltage Coffee’s 1150 milligrams. That is a massive amount of caffeine equal to 13 cups of regular, brewed black coffee. And remember, High Voltage Coffee isn’t even the highest! That distinction is bestowed on Devil Mountain Coffee Company’s Black Label coffee with 1,555 mg of caffeine per serving.

barista hand pouring freshly brewed drip coffee in a glass mug
Image Credit: Artit Wongpradu, Shutterstock

The Concern Is How Quickly You Drink It

Now, you might say, what’s the big deal? Some people drink coffee all day and seem to show no ill effects. However, the concern among health experts is that, with 1,150 milligrams in a single cup of High Voltage Coffee and other extremely caffeinated brands, you get all that caffeine in seconds, not hours. Depending on a person’s size, age, and experience with coffee, that amount of caffeine could be risky. In short, if you’re going to enjoy a cup of extremely caffeinated coffee, make sure you know what you’re doing and can handle your caffeine like a seasoned coffee pro.

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Caffeine Content

High Voltage Coffee, as we now know, contains a lot of caffeine. The company, however, isn’t alone and isn’t the first “extremely caffeinated” coffee brand. Several were released to the market before High Voltage, and several since, and more will undoubtedly arrive as the trend continues. How does High Voltage Coffee stack up to the other “extremely caffeinated” brands? To find out, take a look at the chart below.

Extreme Caffeine Brand Caffeine Content (12 oz)
High Voltage Coffee 1,150 mg
Devil Mountain Coffee Company – Black Label 1,555 mg
Great British Trading – Very Strong Coffee 1,350 mg
Devil’s Brew Extreme Caffeine Coffee 1,325 mg
Black Insomnia 1,105 mg
Maximum Charge – Cannonball Coffee 1,101 mg
Biohazard 928 mg
Death Wish Coffee 728 mg
Sons of Amazon (UK) 660 mg
Killer Coffee 645 mg
Gunpowder Coffee 644 mg
Fire Department Coffee 500 mg
Banned Coffee 474 mg
GymBrew Renegade 330 mg

Caffeine Content High Voltage Coffee vs Energy Drinks

The chart below will give you an idea of the massive difference between High Voltage Coffee and some of today’s most popular and highly caffeinated energy drinks.

Energy Drink Caffeine Content
High Voltage Coffee 1,150 mg
Redline Xtreme 316 mg
Spike Hardcore Energy 350 mg
Bang Energy 300 mg
Celsius 300 mg
C4 Energy 300 mg
Rockstar Energy Drink 260 mg
5-Hour Energy 200 mg
NOS Energy Drink 160 mg
Red Bull 110 mg
Monster Energy Drink 90 mg

Caffeine Content High Voltage Coffee vs Coffee Drinks

If you love your coffee—and who doesn’t —you know more or less how much you need to drink to get the energy and concentration boost coffee provides. That’s valuable information if you’re keen on trying High Voltage Coffee or one of the other extremely caffeinated coffee brands. If you’re unsure of your tolerance level, the chart below will give you an idea of what you’re up against.

Coffee Drink Caffeine Content
High Voltage Coffee 1,150 mg
Cold Brew Coffee 155 mg
Flat White Coffee 130 mg
Iced Coffee 120 mg
Latte 80 mg
Cappuccino 75 mg
Espresso 75 mg
Frappuccino 65 mg
Instant Coffee 63 mg
Regular Brewed Coffee 60—80 mg

About Extremely Caffeinated Coffee

Most extremely caffeinated coffee is brewed with Robusto beans since they’re higher in caffeine content. These are coffees made for those who know how to handle their caffeine and should be drunk with great care by those with caffeine sensitivities.

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Fun Facts about Extremely Caffeinated Coffee

2013 Saw the Release of the First Extremely Caffeinated Coffee

It was Death Wish Coffee, with 728 milligrams of caffeine per cup.

Most Extremely Caffeinated Coffee Is Made With Robusta Beans

Robusta beans contain 2.2 to 2.7% caffeine, while Arabica beans contain 1.2 to 1.5%.

The Strength of Most Extremely Caffeinated Coffees Is Registered As “Dangerous”

Remember, the FDA recommends a maximum daily caffeine intake of 400 milligrams.

All Extremely Caffeinated Coffee Brands Covet the Title “World’s Strongest Coffee”

It’s their raison d’être, or “reason to exist.”

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Final Thoughts

High Voltage Coffee, while not the “world’s most caffeinated,” still packs a massive caffeine punch with 1,150 milligrams in a 12-ounce serving. That, in no uncertain terms, is more caffeine than most people can drink in 1 sitting. One thing is certain; if you’re going to enjoy a cup of High Voltage Coffee, do so only with a genuinely high tolerance for caffeine.

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Featured Image Credit: M.Somchai, Shutterstock


Greg Iacono

Greg Iacono is a self-taught writer and former chiropractor who, ironically, retired early due to back problems. He spends his time writing scintillating content on a wide variety of subjects. Greg is also an accomplished video script writer known for his ability to take a complex subject and make it accessible for the layperson. Before retiring from chiropractic, Greg had clinics in 3 different countries, including the U.S., Belgium, and Peru. When not writing, Greg spends his time traveling, riding his motorcycle, and doting on his 7-year-old daughter, Valery. He also has a massive Lego city he built with his son, Alex, and is very proud of his daughter, Catherine, an accomplished graphic artist.

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