Solid state batteries. These are batteries without the liquid acid in them. They have all solid construction. They've been around a long time, but were never able to enter mainstream use. Now some big companies are spending big money to make them viable for cars.

They have a Glenlivet Sampler pack which is a Caribbean Reserve (rum barrel finish), Founder's Reserve (oak finish), 12 Year Old (European and American oak), 14 Year Old (Cognac cask finish) with a Oliva Saison First Harvest 2009.