Quadruple leak proof Safe and secure Safe secureMissing installation may not only corrode the circuit and damage the electrical appliance,lt is also a safety hazard for the baby to come into contact with the leaking battery Choose leak-proof batteries for safer and more secure use 3 Years long-lasting EnergyStock up with peace of mind / Safe to use Really environmental friendlyReally Environmentally friendly l Free of mercury, Cadmium, Lead, Etc.Environmentally friendly design, no mercury, cadmium, lead harmful heavy metals, Durable and less replacement, Greatly reduce the amount of waste,long-lasting is also an environmental protection Product parameters Product 【Product name】carbon Batery 【Voltage 】1.5V 【Shelf life 】3 years 【Peoperature】0℃ ~65℃ 【executive standard】Q/PJDZ002 【battery specifications】No.1 D-Type R20P Battery life increased by40% breakthroughs Systematic upgrade of staying powerlarger capacity /higher energydensity/ lower self-discharge Six Technological FeaturesEfficient electrical conductivity/ lasting durable/ More energy dense Long battery life/ Mercury-free cadmium-free/Safe and leak-proof