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Marine (Sealed) - Product Features
Home > Product Info > Features & Specs > Marine (Sealed & Maintenance Free)
Need a SEALED Marine Battery?
For those customers who have pretty demanding requirements, we now have a lot to offer. This battery, constructed with Spiralcell technology, features microporous glass separator material (AGM) to retain the electrolyte. Each cell has more than eight feet of high purity lead plates (which are also taller than traditional plates) to produce more power!

They're powerful...and completely sealed, so they're totally maintenance free. In fact, because of the AGM, even if the case is broken this product will not leak. The Spiralcell design means there's virtually no vibration damage or plate shedding, which makes it an excellent product for high-vibration applications.
Features:
Warranty: We stand behind this product! Free Replacement & Pro-Rata warranties are available at nationwide retail locations.
Vibration Resistance: Virtually no vibration damage or plate shedding.
Power: These products deliver the power when YOU need it most!
Specialty/ Seasonal Use: Low self-discharge rate makes it ideal for a variety of specialty & seasonal starting applications.
Completely Sealed: They're completely sealed so they never need to have water added (under normal use). Also for those special cases, they are air transportable.
Flexibility: Fits a wide variety of vehicles & equipment and can be mounted in any position.
Endurance: Even in the toughest temperatures, hot or cold.
Recharging: Greater plate surface area and lower internal resistance allow less time for recharging; pure lead grid results in increased endurance.
 
Listed below are specifications for our Marine Sealed batteries:
Be sure to visit Battery Terms in the FAQ section for definitions of terms like CCA and Reserve Capacity.
  Optima Deep Cycle Marine Batteries - 12 Volts
Part #
Grp
CCA
MCA
RC
@
25 Amps
Dimensions
(inches)
Weight (lbs)
Free
Replacement
Months
Total
Warranty
Months
Amp Hrs
@
20 Hrs.
Terminal
SC34DU 34 750 870 120 10 x 6-7/8 x 7-13/16 43.5 12 24 55 Auto and Side Posts
SC34DA 34 750 870 120 10 x 6-7/8 x 7-13/16 43.5 12 24 55 Auto Posts
SC31DS 31 900 1125 155 12-13/16 x 6-1/2 x 9-3/8 59.8 24 24 75 Stud Posts
SC31DA 31 900 1125 155 12-13/16 x 6-1/2 x 9-3/8 59.8 24 24 75 Auto Posts
SC35DA 35 650 810 98 9-5/16 x 6-3/4 x 7-3/4 36.5 12 24 48 Auto Posts
SC75DU 75/25 650 810 98 9-5/16 x 6-13/16 x 7-5/8 37.8 12 24 48 Side and Auto Posts

FOOTNOTES:
U = Both auto top posts and auto side posts
A = Auto posts only
M = Both auto posts and stud posts
D = Deep-cycle
S = 5/16 stud posts only

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