Dunkin’ brews up coffee with 20% more caffeine

Dunkin' has a new way to get you supercharged for your day.   
The coffee chain is brewing up a new blend of coffee with 20% more caffeine than Dunkin’s classic hot and iced coffee.
It's called "Extra Charged Coffee," and it will be available starting today.
For a limited time, from Wednesday through Jan. 26, medium Extra Charged Coffees will be $2.