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Home / Products / battery / Optima battery / Yellow Top series / Optima battery Yellow Top series 8051-160 D31A

Optima battery Yellow Top series 8051-160 D31A

Optima battery Yellow Top series 8051-160 D31A
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Battery Model:

D31A

Part Number:

8051-160

NSN:

6140 01 502 4973

UPC Code:

8 11405 00051 5


Performance Data



Cold Cranking Amps:

900

Cranking Amps:

1125

Nominal Voltage:

12 volts

Open Circuit Voltage (fully charged):

13.1 volts

Internal Resistance (fully charged):

0.0025 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)




Physical Characteristics



Plate Design:


High purity lead-tin alloy.  Wound cell configuration utilizing proprietary

SPIRALCELL TECHNOLOGY®.



Electrolyte:


Sulfuric acid, H2SO4



Case:

Polypropylene

Case Color:

Light Gray

Cover Color:

“OPTIMA“ Yellow

Group Size:

BCI: 31

Post Type:

SAE Post

Weight:

59.8 lb

Length:

12.19 in

Width:

6.56 in

Height:

9.38 in





Power



CCA (BCI 0°F):

900 amps

MCA (BCI 32°F):

1125 amps




Recommended Charging




The following charging methods are recommended to ensure a long battery life:

(Always use a voltage regulated charger with voltage limits set as described below.)



Model: D31A

These batteries are designed for starting and deep cycling applications and for use in vehicles with large accessory loads.







Recommended Charging Information



Alternator:

13.65 to 15.0 volts

Battery Charger:

13.8 to 15.0 volts; 10 amps maximum; 6-12 hours approximate

Float Charge:

13.2 to 13.8 volts; 1 amp maximum (indefinite time at lower voltages)

Rapid Recharge (Constant voltage charger):

Maximum voltage 15.6 volts. No current limit as long as battery temperature remains below 125°F (51.7°C). Charge until current drops below 1 amp.

Cyclic or Series String Applications::


14.7 volts. No current limit as long as battery temperature remains below 125°F (51.7°C).  When current falls below 1 amp, finish with 2 amp constant current for 1 hour.

All limits must be strictly adhered to.


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Optima battery Yellow Top series 8051-160 D31A
Optima battery Yellow Top series 8051-160 D31A
Battery Model: D31A Part Number: 8051-160 NSN: 6140 01 502 4973 UPC Code: 8 11405 00051 5