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.