The Inside Buzz on Batteries Little things mean a lot—like the two words “batteries included.” Just knowing they’re in there somewhere means less hassle and one less thing to buy. But face it. The initial powering-up of a battery-operated device is a minor concern. It’s the cost of keeping it going for years to come that should be considered. The commercials are compelling, but can they be trusted? Does a copper top really make a difference? Is Energizer the heavy artillery of battery power? Is heavy-duty superior to alkaline? Are el-cheapo, generic batteries evidence that you get what you pay for? Is heavy-duty superior to alkaline?