Cannonball Coffee Maximum Charge

Caffeine Levels

per fl. oz cup


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Cannonball Coffee Maximum Charge is an extremely caffeinated Robusta-based coffee sold in the UK.

A recent certified lab test found that an average sample contained 310 mg of caffeine per 100ml when using 4 oz (56g) of ground coffee beans to 12 fl oz (355ml) of water. This is the recommended way to brew Maximum Charge.

Maximum Charge uses Robusta coffee beans sourced from the Coko region in Rwanda.

This coffee is extremely caffeinated and should be consumed only by those who have a high tolerance and low sensitivity to caffeine.


Ingredients in Cannonball Coffee Maximum Charge

Robusta Coffee Beans and Water

Sugar content: Contains no sugar.

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Caffeine Concentration

Cannonball Coffee Maximum Charge contains 91.75 mgs of caffeine per fluid ounce (310.24mg/100 ml).

Caffeine (mg) per Ounce
100 90 80 70 60 50 40 30 20 10 0 Cannonball Coffee Maximum Charge 5 Hour Energy Coffee (Espresso) Coca-Cola Classic Spike Energy Drink


Lab test provided by Intertek Food (UK), The Old Mill, 81 Oxford Road, Fegg Hayes, Stoke On Trent, Staffordshire, ST6 6QP