SINGAPORE, 26 JUNE 2014 – Duracell celebrates 50 years of portable power, from powering the transistor radio of yesteryears, to modern-day digital gadgets. The latest Duracell CopperTop batteries with Duralock Power Preserve™ Technology last six times longer than ordinary batteries* and guarantees 10 years of power preservation in storage. Duracell batteries have been the catalysts for some of the most simple everyday pleasures. In fact, they have become so integral to our daily lives that most of us do not notice …