The Trojan Trillium Intelligent Lithium battery offers a superior cell and design paired with built-in diagnostics and a life expectancy over 5,000 cycles. Trillium’s advanced diagnostics include a visual state-of-charge gauge on the top of the battery, and its CAN bus system shares data with other devices. A microprocessor ensures the battery is completely self-protected, and if a problem is detected, it will turn itself off. When a problem goes away, it turns back on, automatically self-healing