Lifeline GPL-8DL 12V 255Ah AGM Deep Cycle Battery – Group 8D
The Lifeline GPL-8DL is a premium 12V 255Ah AGM deep cycle battery engineered and manufactured in the USA to stringent Mil-Spec standards. Designed for marine, RV, off-grid, industrial, and commercial applications, it delivers exceptional reliability, long service life, and maintenance-free operation.
Featuring absorbed glass mat (AGM) technology, the GPL-8DL offers an industry-leading self-discharge rate of only 2% per month at 77°F (25°C), significantly lower than conventional flooded batteries. It is Coast Guard approved, DOT HazMat Exempt, vibration resistant, spill-proof, and ideal for demanding marine and yacht installations.
Key Features
| Battery Type | AGM Deep Cycle (Maintenance-Free) |
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| Voltage | 12V |
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| Capacity | 255Ah (20 Hour Rate) |
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| Group Size | 8D |
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| Construction | Military Specification (Mil-Spec) |
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| Self-Discharge | Approximately 2% per month at 25°C (77°F) |
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| Approvals | US Coast Guard Approved, DOT HazMat Exempt |
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| Applications | Marine, Yachts, RVs, Solar, Off-Grid, Commercial & Industrial |
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| Maintenance | Sealed, Spill-Proof, Maintenance-Free |
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| Country of Manufacture | United States |
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Technical Specifications
| Voltage | 12V |
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| Capacity (20Hr Rate) | 255Ah |
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| CCA | 1350 |
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| MCA | 1675 |
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| Dimensions (L × W × H) | 20.76 × 10.89 × 8.64 in (527.4 × 276.6 × 219.5 mm) |
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| Weight | 156 lb (70.8 kg) |
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| 25A Runtime | 550 Minutes |
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| 15A Runtime | 825 Minutes |
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| 8A Runtime | 1670 Minutes |
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Performance Ratings
| Performance Rating | Value |
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| Cold Cranking Amps (CCA) | 1350A |
| Marine Cranking Amps (MCA) | 1675A |
| 20 Hour Capacity | 255Ah |
| 25 Amp Discharge | 550 Minutes |
| 15 Amp Discharge | 825 Minutes |
| 8 Amp Discharge | 1670 Minutes |
Ideal Applications
| Marine & Boating | Fishing boats, yachts, sailboats, cruisers |
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| Recreational Vehicles | Motorhomes, campers, travel trailers |
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| Renewable Energy | Solar energy storage and off-grid systems |
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| Commercial | Backup power, industrial equipment, telecommunications |
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| Heavy-Duty Use | Applications requiring long-lasting deep cycle performance |
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Why Choose the Lifeline GPL-8DL?
- Premium American-made AGM battery.
- Military-grade construction for maximum durability.
- Extremely low self-discharge for long-term storage.
- Maintenance-free, sealed, and spill-proof design.
- Excellent deep cycle recovery and long service life.
- Coast Guard approved and DOT HazMat Exempt.
- Ideal for demanding marine, RV, and renewable energy applications.
