Boxes of 50 Procell Constant D batteries are professional alkaline batteries from the Duracell Comapny. Bulk packed and used in a wide range of industries. These bulk Duracell Procell Constant D batteries reduce packaging and make it quick and easy for engineers to replace large quantities of batteries. They are an improved version of their predecessors, and will help to reduce the number of battery replacements required therefore increasing profitability for businesses. Buyabattery are Official Distributors of Duracell Procell D batteries, which means we only deliver the freshest new stock guaranteed. Our best before dates are listed below. D size batteries are also known as LR20, MN1300, PC1300, ID1300. If you need any technical help please do not hesitate to give our team a call. D Duracell Procell Constant Battery Technical Data Typical Voltage 1.5V Nominal Capacity 19,669mAh Operating Temperature Range -20°C to 54°C Maximum Diameter 34.2mm Maximum Height 61.5mm Typical Weight 144g Recommended Storage Area : clean, cool, dry and ventilated Recommended Storage Temperature : 5°C to 30°C System Alkaline Manganese Dioxide Cross References LR20, MN1300, PC1300, ID1300 Procell Material 5007610 Country of Origin : USA