The SEC UK HDC series consists of High Deep Cycle/High Cyclic AGM (Absorbent Glass Mat) batteries designed for cyclic applications while retaining the advantages of starved electrolyte technology. These benefits include fast charging, low gassing, and a wide temperature range. With special alloy plates for extended float life and exceptional cyclic ability, SEC UK AGM batteries consistently outperform the competition, making them the ideal choice for high-performance energy storage needs.