Powermax USA is a manufacturer of consumer household batteries and flashlights under the brands of Powermax and AC Delco, With loads of cutting edge quality control stations, Powermax USA guarantees the quality of all the products to meet and exceed the quality of any comparable product on the market today, The 20 AA Batteries are Advanced Technologies, They are made with longer lasting energy, They provide optimum performance, National brand quality, No mercury, No cadmium, Great for flash camera, radios, toys, portable games, and mp3 players, SKU: PWRMX011