AGM marine battery
GPL-4CT / GPL-6CT Lifeline Batteries

The GPL-4CT Marine & Yacht Vehicle Battery From Lifeline Battery Corporation
GPL-4CT is designed for Deep Cycle Marine Applications.
The GPL-4CT has an Expected Cycle Life 1,000+ cycles to 50% DOD, 500 cycles to 100% DOD
The GPL-4CT is a high performance, Mil-Spec, AGM battery, produced in the United States. Due to the Lifeline Battery's quality construction, it has an industry leading 2% per month self discharge rate at 77°F (25°C), compared to 10%+ for conventional batteries. Coast Guard approved, DOT Haz Mat Exempt, and longer lifespans than conventional batteries. Warrantied installations include marine, yacht, and other seafaring applications.