Move your appliance around the kitchen with ease, without limitations of cords or nearby outlets 12v MAX battery (sold sep, model KRB12) for up to 60 min. of continuous runtime - max initial battery voltage (measured without a workload) is 12 volts; nominal voltage is 10.8; actual run time varies based on recipe and/or attachments used; battery life impacted by factors such as battery age & use Designed to stand all on its own, lifting the beaters up and out of the bowl and work space 7 Speeds to stir, mix, and whip all of your favorite recipes - from slow stir for chunky ingredients, to medium for creaming butter & sugar, and high speed to whip egg whites and heavy creams Soft Start Feature brings the beaters up to the selected speed gradually to help prevent ingredients from splattering