The GPL-31T Marine Battery From
Lifeline Battery Corporation

GPL-31T is designed for Deep Cycle Marine Applications.

The GPL-31T 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-31T Technical Drawing (PDF)

Lifeline GPL-31T Deep Cycle Marine Battery Specifications:
Voltage	12v
Length	12.90 inches 327.80mm
Width	6.75 inches 171.30mm
Height	9.27 inches 235.50mm
Weight	64.00 lbs / 29.00 kgs