Lifeline® AGM Marine Batteriesat Fisheries Supply
Manufactured by Concorde Battery Corporation (USA; family-owned; in business since 1979), Lifeline AGM batteries deliver reliable, maintenance-free power for marine starting and house applications.
Key Takeaways
- Sealed AGM design; resists vibration and shock in marine use.
- Low-maintenance operation; suitable for deep-cycle house loads.
- Popular sizes in stock: Group 31, 4D, and 8D; deep-cycle options.
- Expert help available for sizing, starting vs. house, and charging.
Advantages of AGM Marine Batteries
AGM (Absorbed Glass Mat) marine batteries are engineered for boats: a sealed, valve-regulated design minimizes spill risk and reduces routine maintenance, while robust internal construction improves durability under pounding seas.
- Vibration & shock resistance — built for demanding marine environments.
- Maintenance-free — sealed, no watering; low self-discharge.
- Deep-cycle capability — reliable house power for electronics and accessories.
- Flexible installation — secure, upright or on side per manufacturer guidance.
- Service life — long life when properly charged and managed.
Lifeline® AGM Battery Selection
Choose a group size and application profile that matches your boat’s starting or house load requirements.
Group 31 AGM Marine Batteries: Excellent for engine starting where reliable CCA is required; available in deep-cycle models for dual-purpose roles. 4D AGM Batteries: High capacity and durability for house loads powering electronics, appliances, and accessories. 8D AGM Batteries: Large-format energy storage for bigger boats or applications with sustained high demand. AGM Deep-Cycle Marine Batteries: Optimized for repetitive discharge/charge cycles to support house systems and accessories.
Get Expert Help
Whether you need a 6-volt option, a starting battery, deep-cycle house solution, or dual-purpose fit, our representatives can help you select the correct size, capacity, and charging profile for your installation.
Frequently Asked Questions
What makes Lifeline batteries different from other marine batteries?
Lifeline batteries use AGM (Absorbed Glass Mat) technology, providing longer life, deep-cycle capability, and superior performance in marine environments. They require no maintenance and have low self-discharge rates.
How long do Lifeline AGM batteries last?
With proper care, Lifeline batteries typically last 5–10 years, depending on usage and charging practices. Regular maintenance and avoiding deep discharges can extend lifespan.
Can I use a regular charger for my Lifeline battery?
It’s recommended to use a smart charger with an AGM setting to prevent overcharging. Lifeline provides specific charge profiles for optimal battery performance.