The Luminous Tall Tubular Solar Battery 12V 220Ah is a deep cycle, sealed lead acid battery that's designed for use in renewable energy systems. It's built to withstand deep discharge and recharge cycles, making it an ideal choice for use with solar panels. The battery is maintenance-free, so it doesn't require any water refills. Additionally, it has a long life expectancy. The battery is also manufactured to meet international standards for safety and reliability.