PR NEWSWIREDuracell made announcement today about its new Ultra Advanced battery that provides users the ability to see and to know exactly how much power is left in each battery. The battery comes with the Powercheck, which is a gauge located on the battery that can be activated by simply pressing two white dots on the cell. The Ultra Advanced with Powercheck will be available at Costco and other major retailers starting in December at a small additional cost to regular CopperTop batteries.