The Victron Energy BAT212200084 VRLA is a 12 V, 22 Ah deep cycle lead acid battery, designed for stable and reliable performance. With dimensions of 181 x 167 x 77 mm, it features AGM technology, making it maintenance-free and ideal for various applications. Typically used in solar energy systems, marine equipment, and backup power supplies, this VRLA battery is known for its high durability and efficiency.