The Duracell Industrial range was formally recognised as Duracell Procell, but it has only changed its name, it has remained just as effective, reliable and trustworthy in its performance. As part of the Duracell Industrial range the Duracell Industrial size D battery can be kept in storage for up to seven years whilst maintaining its power. Withstanding temperates as low as -20c and as high as 54c, the Duracell Industrial size D battery is suitable for all workinmeg environnts, making it the ideal choice for the professional.