1) Container/Cover: Made of UL94HB and UL 94-0ABS Plastic, fire resistance and water proof. 2) 99.997% pure new lead NEVER use recycle lead. 3) Negative Plates: Use the special PbCa alloy grids, optimize the recombination efficiency and less gassing. 4) High quality AGM separator: Absord acid electrolyte, the best retainer mat for VRLA batteries. 5) Positive plates: PbCa grids minimize corrosion and prolong life. 6) Terminal post: Copper or lead material with maximum conductivity, enhance the high current rapidly. 7) Vent Valve: Allows the release of the excess gas automatically for safety. 8) Three steps of Seal procedures: Ensure battery completely sealed with safety, never leakage and volatile acid, longer life. 9) Silicone Nano GEL electrolyte: Import from Germany Evonik famous brand silicone.
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