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Lifeline GPL-1400T AGM RV/Marine Battery
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Lifeline Item #: BDL30715 -

Motor Starting Marine/RV Battery The GPL-1400T 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. The Lifeline GPL-1400T AGM...

Lifeline GPL-2400T AGM Starting Battery
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Lifeline Item #: BDL30717 -

Motor Starting Marine/RV Battery The GPL-2400T 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. The Lifeline GPL-2400T AGM...

Lifeline GPL-2700T AGM Starting Battery
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Lifeline Item #: BDL30716 -

Motor Starting Marine/RV Battery The GPL-2700T 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. The Lifeline GPL-2700T AGM...

Lifeline GPL-3100T AGM RV/Marine Battery
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Lifeline Item #: BDL30718 -

Motor Starting Marine/RV Battery The GPL-3100T 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. The Lifeline GPL-3100T AGM...

Lifeline GPL-31T AGM Battery
Price: $465.00
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Lifeline Item #: BDL20031 -

Deep Cycle Marine/RV Battery The GPL-31T 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. The Lifeline GPL-31T AGM Battery...

Lifeline GPL-4CT AGM Deep Cycle Battery 6V 220A-Hr Lifeline GPL-4CT AGM Deep Cycle Marine Battery, Lifeline GPL-4CT, Lifeline AGM 6V, 220A-Hr
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Lifeline Item #: BDL30064 -

Lifeline GPL-4CT AGM Deep Cycle Battery high performance, has an industry leading 2% per month self discharge rate at 77°F (25°C), compared to 10%+ for conventional batteries.Lifeline batteries are Coast Guard approved and have had to pass demanding mil spec requirements as they are onboard numerous US Military vessels.All Lifeline deep-cycle batteries are hand-made in the USA. Lifeline GPL-4CT AGM Deep Cycle Battery Specifications: Nominal Voltage: 6 volts Amp hour capacity at...

Lifeline GPL-6CT AGM Deep Cycle Battery 6V 300A-Hr Lifeline GPL 6CT AGM Deep Cycle Marine Battery, Lifeline GPL 6CT, Lifeline AGM 6V
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Lifeline Item #: BDL30066 -

Lifeline GPL-6CT AGM Deep Cycle Battery designed for high performance, Mil-Spec, AGM battery, made in the United States.Lifeline batteries are designed to deliver industry leading reserve capacities and life-cycle capabilities. Lifeline GPL-6CT AGM Deep Cycle Battery Specifications: Nominal Voltage: 6 volts Amp hour capacity at 20 hour rate: 300 amp hour Reserve Capacity at 25 amp discharge rate: 690 minutes Reserve Capacity at 15 amp discharge rate: 1200 minutes Reserve...

Lifeline GPL-L16T AGM Deep Cycle Battery 6V 400A-Hr GPL-L16T, Lifeline GPL L16T AGM Marine Battery, Lifeline GPL L16T, Lifeline Battery 6V
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Lifeline Item #: BDL30616 -

Lifeline GPL-L16T AGM Deep Cycle Battery 6V quality construction, makes it has an industry leading 2% per month self discharge rate at 77°F (25°C).Lifeline batteries are Coast Guard approved and have had to pass demanding mil spec requirements as they are onboard numerous US Military vessels. Lifeline GPL-L16T AGM Marine Battery 6V Specifications: Nominal Voltage: 6 volts Amp hour capacity at 20 hour rate: 400 amp hour Reserve Capacity at 25 amp discharge rate: 950...

Lifeline GPL-24T AGM Deep Cycle Battery 12V 80A-Hr Lifeline GPL-24T AGM Deep Cycle Marine Battery, Lifeline Marine 12V, Lifeline GPL 24T
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Lifeline Item #: BDL20024 -

Lifeline GPL-24T AGM Deep Cycle Marine Battery is a high performance, high quality, Coast Guard approved, DOT Haz Mat Exempt, and longer lifespans than conventional batteries.Lifeline batteries are designed to deliver industry leading reserve capacities and life-cycle capabilities. All Lifeline deep-cycle batteries are hand-made in the USA. Lifeline GPL-24T AGM Deep Cycle Battery Specifications: Nominal Voltage: 12 volts Amp hour capacity at 20 hour rate: 80 amp hour Reserve...

Lifeline GPL-27T AGM Deep Cycle Battery 12V 100A-Hr GPL-27T, Lifeline GPL 27T AGM Deep Cycle Battery, Lifeline GPL 27T, Lifeline Marine AGM 12V, GPL-27T, GPL 27T
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Lifeline Item #: BDL20027 -

Lifeline GPL-27T AGM Deep Cycle Marine Battery is a high performance, high quality that has an Expected Cycle Life 1,000+ cycles to 50% DOD. Lifeline batteries are designed to deliver industry leading reserve capacities and life-cycle capabilities. Lifeline batteries are Coast Guard approved and have had to pass demanding mil spec requirements as they are onboard numerous US Military vessels. Lifeline GPL-27T AGM Deep Cycle Battery Specifications: Nominal Voltage:...

Lifeline GPL-30HT AGM Deep Cycle Battery 12V 150A-Hr GPL-30HT, Lifeline GPL 30HT AGM Deep Cycle Battery, Lifeline GPL 30HT, Lifeline AGM 12V, 12V 150AHr
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Lifeline Item #: BDL20030 -

Lifeline GPL-30HT AGM Deep Cycle Battery is a high performance, Mil-Spec, made in the United States, that has an Expected Cycle Life 1,000+ cycles to 50% DOD and rated for 550 cycles at 80% DOD.Lifeline deep-cycle batteries are hand-made in the USA and are designed to deliver industry leading reserve capacities and life-cycle capabilities. Lifeline GPL-30HT AGM Deep Cycle Battery Specifications: Nominal Voltage: 12 volts Amp hour capacity at 20 hour rate: 150 amp hour Reserve...

Lifeline GPL-4DL AGM Deep Cycle Battery 12V 210A-Hr Lifeline GPL-4DL AGM Deep Cycle Marine Battery, Lifeline GPL 4DL, Lifeline AGM 12V
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Lifeline Item #: BDL20831 -

Lifeline GPL-4DL AGM Deep Cycle Battery has an industry leading 2% per month self discharge rate at 77°F (25°C), compared to 10%+ for conventional batteries.The GPL-4DL Lifeline Battery is a high performance, Mil-Spec, AGM battery, produced in the United States.Lifeline batteries are Coast Guard approved, DOT Haz Mat Exempt, and longer lifespans than conventional batteries. Lifeline GPL-4DL AGM Deep Cycle Battery Specifications: Nominal Voltage: 12 volts Amp hour capacity at 20...

Lifeline GPL-8DL AGM Deep Cycle Battery 12V 255A-Hr GPL-8DL, Lifeline GPL 8DL AGM Deep Cycle Marine Battery, Lifeline GPL 8DL, Lifeline AGM 12V
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Lifeline Item #: BDL20851 -

Lifeline GPL-8DL AGM Deep Cycle Battery is high performance, has an industry leading 2% per month self discharge rate at 77°F (25°C), compared to 10%+ for conventional batteries.The Lifeline Battery GPL-8DL is specifically designed for deep-cycle applications. Lifeline Batteries are designed to deliver industry leading reserve capacities and life-cycle capabilities. Lifeline GPL-8DL AGM Deep Cycle Battery Specifications: Nominal Voltage: 12 volts Amp hour capacity at...

Premium Deep Cycle AGM Technology.

Manufactured by hand and built to Military Specifications. As a family owned and operated US manufacturing facility, Lifeline® takes pride in all of their products. Their quality materials and craftsmanship put them on top in the AGM battery market.

Lifeline® is a powerful name in the battery industry with world class performance and customer service.

What's at the heart of a Lifeline® battery?

Superior Construction

Aircraft class cell construction that are entirely built by hand with quality materials.

Rapid Recharge

Due to our low internal resistance, Lifeline Batteries can be charged up to 20% faster than conventional batteries.

Maintenance Free

With proper charging, Lifeline Batteries require no maintenance.

Solid Warranty

Lifeline Batteries offers one of the best warranties in the industry, with 5-year pro-rate and 1-year free replacement.

Lifeline Batteries Helpful Information

Marine/ Yachting Battery Selection Guidelines and Info

Batteries are one of the most important components onboard your yacht and are the heart of most electrical systems. A basic understanding of how batteries interact with electronic equipment can help you avoid being stranded or adrift when it counts the most. Marine batteries perform two important tasks on your vessel, cranking engines and powering electronics. In today’s maritime vessel, the standard DC requirements are at an all-time high and are used to power significant loads such as multiple TV’s, high powered acoustic systems, residential refrigerators and a host of electronic gadgets, just to name a few. As you weigh the importance and power consumption requirements of these and other DC powered components, you should be sure to build a battery bank capable of carrying the loads.

Understanding Marine Battery Amp/Hr Ratings

In the marine industry almost all battery manufacturers provide amp/hr ratings at the 20hr rate. What this means is that through the course of a 20hr period batteries can deliver a cumulative number of amps down to stone dead. For example; a battery rated for 200amp/hrs at the 20hr rate can deliver a total of 200amps through the 20hr period (or 10amps per hour for 20 hours).

Three Main Considerations for Sizing a Marine Battery Bank

A full assessment should be done to calculate the power demands of the DC powered electronics you will use onboard your vessel. It is wise to build a battery bank to be roughly twice the capacity that you require so you are able to optimize your number of battery life-cycles. There are many online websites that provide DC amp consumption by appliance or refer to the panel on the actual appliance or electronic device and/ or owners-manual. Next you will have to measure the space available for batteries. Sometimes you can gain reserve capacity by using six volt batteries, but other times it is more efficient to use twelve volt batteries. Finally, you will need to select a charger (s) that can satisfy your particular size battery bank most effectively. If you will be using solar panels to recharge your battery bank you will need to size them properly and use a controller to regulate voltage for the best results. If you are going to rely heavily on your alternator, you will need to insure the voltage is also regulated. Once you have selected a battery charger (s) you will need to know the basics of how to best manipulate the device to suit your batteries. You may choose to have a battery charging device with the capabilities of charging multiple battery banks and different battery technologies. You may also have several different battery chargers to charge different banks that power devices such as bow thrusters and electric winches.

Caring for and Storage of Your Marine Batteries

You should first determine the accurate ‘open circuit’ voltage of the battery bank. This can be done by removing one of the main leads to the battery bank and making sure there are no additional hot wire taps that may have a load on the batteries. If the batteries are fresh off a charge, they will need to sit for at least an hour to let surface voltages dissipate. A fully charged healthy young Lifeline battery will show a voltage of 12.85 or higher.