The GPL-4DA Marine Battery From
Lifeline Battery Corporation

GPL-4DA is designed for Deep Cycle Marine Applications.

The GPL-4DA has an Expected Cycle Life 1,000+ cycles to 50% DOD.
These AGM deep cycle batteries are rated for 550 cycles at 80% DOD.
Lifeline does not recommend batteries being cycled at 100% DOD.
Please refer to page 36 of the tech manual for DOD chart here. (pdf)

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GPL-4DA Technical Drawing (PDF)
Lifeline GPL-4DA Deep Cycle Marine Battery Specifications:
Voltage 12v
Length 20.76 inches
527.40mm
Width 8.70 inches
221.00mm
Height 8.64 inches
219.50mm
Weight 124.00 lbs / 56.20 kgs
Concorde Aircraft Batteries
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Concorde Aircraft Batteries
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Description of Marine Battery:
Deep Cycle Marine/RV Battery
Lifeline Marine   Battery
Lifeline Battery
Part Number
Cold Cranking Amps
68° 32°
Rated Cap.
Amp. Hrs
20 Hr Rate
Minutes of Discharge
25 Amps 15 Amps 8 Amps
GPL-4DA 1595 1360 1100 210 390680 1375
GPL-4DA Technical Drawing (PDF)