Duracell AGM Deep Cycle Marine and RV Battery (Group Size 31) 

by Duracell | Item  #: 347736 | Model #:  31DTMAGM |
Duracell AGM Deep Cycle Marine and RV Battery (Group Size 31)
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About this item

  • Ideal for marine applications
  • Designed to last through long discharges
  • 12V AGM sealed valve
  • Non-spillable


Marine AGM batteries are specially designed for engine starting and the long, deep discharges typical of marine applications. The maintenance-free AGM design immobilizes electrolytes, making these batteries spillproof and leakproof, so they’re safe to use no matter how much your ship gets tossed. They are available in all popular marine sizes with abundant cranking power for quick, easy starting and all the reserve power necessary to keep your auxiliary equipment running strong. And they're backed by an 18-month free replacement guarantee*.


  • 1 amp hour rate:68.2
  • 100 amp hour rate:110
  • 20 amp hour rate:105
  • 3 amp hour rate:85
  • 5 amp hour rate:86
  • 6 amp hour rate:87.4
  • 8 amp hour rate:90
  • Battery Electrolyte Composition:Glass Mat
  • Battery End Type:Top Post
  • Battery Purpose:Starting Lighting Instrumentation
  • BCI Group Size:31
  • CCA at 0 degrees F:800
  • Freight Class:65
  • MCA at 32 degrees F:1000
  • Minutes at 15 amps:348
  • Minutes at 25 amps:210
  • Minutes at 5 amps:1265
  • Minutes at 50 amps:87.4
  • Minutes at 75 amps:53
  • Minutes at 8 amps:706
  • Polarity:Left Positive
  • Reserve Capacity:200
  • Terminal Type:STUD/SAE
  • Volts:12

*For 18-month free replacement: Retail differences, disposal fees and taxes may apply

Posted core charge may apply - amount varies by state 

Manufacturer Info

For additional questions or concerns regarding this product, please contact the Manufacturer's Customer Service Department at 1.888 - 844 - 7704

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Warranty Information

18 Month Free Replacement Warranty

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