The Victron Energy 12V/220Ah AGM Deep Cycle Batt is a high-performance battery that is designed for deep cycling applications. It is made with Absorbent Glass Mat (AGM) technology, which makes it a sealed battery that is maintenance-free and spill-proof. The battery has a high capacity of 220Ah, which makes it ideal for a variety of applications, such as solar power systems, RVs, and boats.