EverExceed Gas recombination ultra-low maintenance Ni-Cd rechargeable battery adopts negative oxygen recombination technology and gas recombination vent plug technology, therefore, the water consumption inside the cell is ultra-low, which are widely applicable for electric power, telecommunication, mass transit, metallurgy, mining, lighting, UPS power supply and other devices as standby DC power supply, as well as energy storage power for solar and wind energy.