This Mini-Keg Beer Dispenser, originally $331.66, is now $199.99 at Groupon Goods. Plus, shipping is free making this the best price we found by $100. This CO2-powered electric beer dispenser chills pressurized and nonpressurized standard mini kegs with up to a 5-liter capacity. It has a temperature range of 38° to 54° Fahrenheit and it has a digital display with push-button operation. Three CO2 cartridges are included. Sales tax is charged in most states.