Lifeline GPL-4CT AGM Deep Cycle Battery – 6 Volt 220Ah Marine, RV, Solar & Industrial Power Battery

Heavy-Duty American-Made Deep Cycle Performance You Can Depend On

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The Lifeline GPL-4CT 6V 220Ah AGM Deep Cycle Battery is one of the most trusted power solutions for demanding deep-cycle applications. Built by hand in the USA using premium materials and proprietary manufacturing processes, the GPL-4CT delivers exceptional cycle life, outstanding reserve capacity, and unmatched reliability for marine, RV, solar, industrial, and commercial equipment applications.

Designed for users who demand long-lasting power and maintenance-free operation, the GPL-4CT is trusted in everything from luxury motorhomes and yachts to floor scrubbers, aerial lifts, renewable energy systems, and military-grade installations.

Manufactured by Concorde Battery Corporation, Lifeline batteries are engineered to meet rigorous military specifications and are approved for use by the U.S. Coast Guard. Their proven AGM technology delivers superior performance while eliminating the maintenance requirements associated with conventional flooded batteries.

Why Choose the Lifeline GPL-4CT?

Premium Deep Cycle AGM Technology

Built specifically for repeated deep discharge and recharge cycles, the GPL-4CT provides dependable power for applications that require sustained energy over extended periods.

Handcrafted in the USA

Every Lifeline battery is individually manufactured and tested in the United States to ensure exceptional quality control and performance consistency.

Military & Marine Proven

Lifeline batteries are used aboard numerous military vessels and commercial marine installations where reliability is mission-critical.

Industry-Leading Low Self-Discharge

The GPL-4CT self-discharges at only approximately 2% per month at 77°F (25°C), significantly lower than conventional batteries that can lose 10% or more during the same period.

Completely Maintenance-Free

The sealed AGM design eliminates watering, minimizes corrosion, and provides spill-proof operation for safer installation and ownership.

Exceptional Service Life

Premium materials and advanced manufacturing processes provide outstanding cycle life and long-term value.

Industry-Leading Warranty

Backed by Lifeline's comprehensive 5-Year Warranty for added confidence and peace of mind.

Ideal Applications

The Lifeline GPL-4CT is engineered for a wide variety of deep-cycle power systems, including:

• RV and motorhome house battery banks

• Travel trailers and fifth wheels

• Marine house batteries

• Sailboats and yachts

• Off-grid solar energy systems

• Renewable energy storage

• Floor scrubbers and cleaning equipment

• Aerial lifts and scissor lifts

• Mobility and industrial equipment

• Telecommunications systems

• Backup power systems

• Commercial marine installations

• Military and government applications

Key Features

✔ 6 Volt Deep Cycle AGM Battery

✔ Massive 220Ah Capacity

✔ Maintenance-Free Sealed Construction

✔ Spill-Proof & Non-Hazardous Design

✔ Coast Guard Approved

✔ Military Specification Proven Design

✔ DOT Hazmat Exempt

✔ Industry-Leading 2% Monthly Self-Discharge Rate

✔ Exceptional Deep-Cycle Performance

✔ Long Service Life

✔ Superior Vibration Resistance

✔ Made in the USA

✔ Backed by a 5-Year Warranty

AGM Technology Advantages

Unlike traditional flooded batteries, AGM technology provides:

• No watering required

• No acid spills or leaks

• Cleaner installation

• Faster recharge acceptance

• Lower self-discharge rates

• Enhanced durability

• Better vibration resistance

• Improved safety

• Longer battery life

Technical Specifications

Built for Maximum Runtime

With an impressive 220Ah capacity and up to 1,692 minutes of runtime at 8 amps, the GPL-4CT delivers the reserve power needed for extended off-grid adventures, marine cruising, renewable energy storage, and demanding industrial operations.

Whether you're building a premium RV battery bank, powering a yacht, operating commercial cleaning equipment, or designing an off-grid solar system, the Lifeline GPL-4CT provides dependable performance year after year.

Trusted by Professionals Worldwide

For decades, Lifeline AGM batteries have earned a reputation for superior reliability, exceptional longevity, and industry-leading performance. The GPL-4CT continues that tradition by providing premium deep-cycle power for users who refuse to compromise.

Order Your Lifeline GPL-4CT Today

Experience the difference that military-grade engineering, American craftsmanship, and advanced AGM technology can make. Upgrade your power system with the Lifeline GPL-4CT and enjoy dependable energy wherever your journey takes you.