Battery Power of C size batteries Lasts 6-9 Times Longer Than Leading Brands Voniko C batteries maintain a steady 1.5 volt discharge for 6-9 times longer than an ordinary carbon battery. No Mercury and Environmentally Safe Our 8 pack of C batteries made without harming the environment and contain no mercury and cadmium. Holds Power for 10 Years Alkaline C batteries 8 pack are so powerful that even after 10 years, they will still have almost the same charge as they had while brand-new. Perfect for Everyday Use Use battery C size 8 Count with your television remote, kids'toys, tools, flashlights, clocks and much more. Enjoy the enhanced lifespan and improved energy quality from Voniko. Unique Technology A double layer of protection isolates each C cell battery to prevent short circuits and leaking. Type C LR14 battery is 100% leakproof. Avoid short circuits, mixing and matching old batteries with new ones.