• Sony PET Blister Packs of 0%Hg Mercury Free 1.55V Silver Oxide Cells• Excellent stable discharge characteristics• 2-3 Year Shelf Life, Made in Japan• High Energy Density• Excellent leakage resistanceSony 393 (SR48W) Silver Oxide 0%Hg Mercury Free 1.55 volts batteries. Sony was the first Corporation to provide the first mercury free silver oxide battery to consumers. Silver oxide batteries are primary cells that have a high energy/weight ratio. Silver oxide is used as the positive electrode (cathode) while zinc is used as the negative electrode (anode) with an alkaline electrolyte. Sony silver oxide batteries provide an extremely high quality, compact battery for the high performance devices today. Sony also ensure consistent reliability and performance in every cell.
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