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Optima 34M Blue Top Marine Starter Battery

Item #: 74281 Availability: DISCONTINUED
Mfg Part No.: 34M Condition: Brand New

Free 2-Year Warranty


For pick-up:   Please give us a call to confirm your order so we can have the product ready for you.



The 34M is Optima's Blue Top starter battery. Its dual posts (standard automotive top posts plus 5/16" stainless steel threaded studs) provide easy connection points. Removable carrying strap is included. High power, sealed lead acid, marine starting battery. The 34M is not a deep cycle battery.






  • Voltage: 12V
  • Cold Cranking Amps @ 0 F: 800
  • Cranking Amps @ 32 F: 1000
  • Reserve Capacity: 110
  • Capacity (C/20 rate): 50
  • Internal Resistance (ohms): .0030
  • Length: 10"
  • Width: 6 7/8"
  • Height: 7 13/16"
  • Minimum Weight (lbs): 38.4
  • Post Type: 5/16" Stainless Stud
  • BCI Group: 34
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