Description
LIFELINE 4D 210Ah Lifeline Battery – GPL-4DL.
The Lifeline GPL-4DL AGM Battery is a premium 12-volt deep-cycle battery engineered for marine, RV, and seafaring use. Built to Mil-Spec standards and manufactured in the USA, it features an exceptionally low self-discharge rate of just 2% per month at 77 °F—far outperforming traditional batteries. Coast Guard approved and DOT HazMat exempt, it is designed for long service life in demanding environments.
- 12 V deep-cycle AGM construction with 210 Ah capacity @ 20-hr rate
- Ultra-low self-discharge of ~2% per month at 77 °F, versus 10%+ for conventional types
- High cold-cranking capability: MCA 1360 A, CCA 1100 A
- Long discharge durations—390 min @ 25 A, 680 min @ 15 A, 1375 min @ 8 A
- Coast Guard approved, DOT HazMat exempt, Mil-Spec built
Specifications
- Voltage: 12 V
- Capacity: 210 Ah @ 20-hour rate
- MCA: 1360 A
- CCA: 1100 A
- Reserve Capacity:
- 390 minutes @ 25 A
- 680 minutes @ 15 A
- 1375 minutes @ 8 A
- Dimensions: 20.76″ L × 8.70″ W × 8.64″ H (527.4 × 221 × 219.5 mm)
- Weight: 124 lb (56.2 kg)
- Design: Deep-cycle AGM, sealed, maintenance-free
- Self-Discharge: ~2% per month at 77 °F
- Certification: US Coast Guard approved, DOT HazMat exempt, Mil-Spec built
- Warranty: 5 years (1 year free replacement, 4 years prorated)
- Country of Origin: USA

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