Nominal voltage is 10.8.
The power to move. Actual run time will vary based on recipe and/or attachments used. Powered by a rechargeable 12v MAX removable battery (sold separately, model KRB12), the new cordless blade coffee grinder delivers 6 minutes of continuous run time* and performance, so you can cook wherever, whatever, andhowever you choose. Create anywhere using the KitchenAid Go™ Cordless Blade Coffee Grinder.