The Solar Signature Line of deep-cycle batteries is the flag ship of Trojan’s Product portfolio.Engineered to provide rugged durability and outstanding performance. Trojan’s Solar Signature Line is perfectly suited for use in renewable energy systems where lowest life cycle costs is the key consideration. An all around power house, the Soalr Signature Lines Features Trojan’s historically proven engineering with T2 technology, an advanced battery technology for maximum sustained performance, longer life and increased total energy.