EVOLTA is Panasonic's No.1 primary battery. It consistently outperforms our competition's premium products across all the commonly accepted industry tests in almost any appliance you can think of. The EVOLTA concept was born from the words ''evolution'' and ''voltage'', with evolution signifying growth and voltage representing high power. EVOLTA batteries are next-generation batteries, with unique Panasonic technologies propelling dry-cell capabilities to new heights. EVOLTA delivers increased power and longer life, even after very long periods in storage. Combining class-leading performance with safety and reliability under the harshest conditions, it's not surprising that EVOLTA is now the most trusted battery brand in the world.