Plugs The BFS plug is available to suit all cell vent plug types. The patented, reliable lever arm inside the plug allows the battery to be filled with water at pressures ranging from 0.2 to 3.8 bars (3-53 psi)*. Only bfs offers such a unique performance and a variety of specialty plugs to meet the needs of the battery industry. Years of research and development have shaped the technology of this system. Each and every plug is independently tested to ensure the components are working properly. The production of over 5,000,000 plugs per year have made the company the global market leader in this field. *The plugs must be filled using an approved water delivery item. Also see: floats

The BFS plug is available to suit all cell vent plug types. Learn More.