Several manufacturers make the best AAA batteries. They include Energizer, Duracell, Panasonic, ACDelco, and AmazonBasics. However, according to many Energizer is, by far, the industry leader. It has a complete line of batteries, including rechargeable lithium-ion and eco-friendly options as well as c cell batteries and aa batteries. Cells from Energizer have extremely high shelf-lives of up to 20 years. Even so, batteries from the other companies still rank high when it comes to performance.