BlueTop®; Deep Cycle Marine Battery
Grp. D31M;
Cold Crank Amp 900;
Crank Amp 1125;
Res. Capacity 155;
Amp Hour 75;
Top Terminal;
L-12 13/16 in.; W-6.5 in.; H-9 3/8 in.;

• Premium Starting And Deep Cycle Power
• For Use With Boats And RVs
• Non-Spillable And Maintenance Free
• Vibration Resistant

Battery Model: D31M
Part Number: 8052-161
Nominal Voltage: 12 volts
NSN: 6140 01 502 4405

Description: High power, dual purpose engine start and deep cycle, sealed lead acid battery

Physical Characteristics:
Plate Design: High purity lead-tin alloy. Wound cell configuration utilizing proprietary
SPIRALCELL® technology.
Electrolyte: Sulfuric acid, H2SO4
Case: Polypropylene
Color: Case: Light Gray
Cover: “OPTIMA” Blue
Group Size: BCI: 31

Weight: 59.8 lb

Terminal Configuration: SAE / BCI automotive and 5/16”-18UNC-2A threaded stainless steel stud.

Performance Data:
Open Circuit Voltage (Fully charged): 13.1 volts
Internal Resistance (Fully charged): .0025 ohms
Capacity: 75 Ah (C/20)
Reserve Capacity: BCI: 155 minutes
(25 amp discharge, 80°F (26.7°C), to 10.5 volts cut-off)

Power:
CCA (BCI 0°F): 900 amps
MCA (BCI 32°F): 1125 amps

Full Spec Sheet:

http://ecusad.com/PDF/OPTIMA_D31M_SPECSHEET.pdf


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Watch this video to see the difference between OPTIMA BATTERIES and the rest of the batteries