34/78 Optima Battery Red Top Starting 12v

Features

OPTIMA REDTOP 34/78 Ultra high-performance SPIRALCELL TECHNOLOGY AGM (absorbent glass mat) battery with reliable cranking power for your auto, car or truck and twice the life. The OPTIMA REDTOP will outperform and outlast traditional batteries in demanding cranking/starting applications. The ultimate high-CCA starting battery for vehicles that have alternators capable of keeping up with all electrical loads.

The Optima 34/78 Redtop has a unique dual terminal system, standard ligs at the top, additional side screw-in lugs (suits many American Muscle car applications)

If you have demanding electrical accessory loads such as winches, audio systems, and other devices, take a look at the YELLOWTOP (D34) product line. 

The OPTIMA model number for this battery is 34/78. If you are replacing an OPTIMA battery you already have, this model is the same as batteries marked 8004-003, 9004-003, 27990, 34-78, 34/78-980, RED34/78, SC34U, or N9934/78RED or 34.

Specifications

Performance Data

Cold Cranking Amps: 800
Cranking Amps: 1000
Nominal Voltage: 12 volts
Open Circuit Voltage (fully charged): 12.8 volts
Internal Resistance (fully charged): 0.0030 ohms
Capacity: 50 Ah (C/20)
Reserve Capacity: BCI: 100 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: Dark Gray
Cover Color: “OPTIMA“ Red
Group Size: BC I: 34/78
Post Type: Dual SAE/GM
Weight: 38.8 lb
Length: 265mm
Width: 173mm
Height: 199mm
Power

CCA (BCI 0°F): 800 amps
MCA (BCI 32°F): 1000 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: 34/78
These batteries are designed for engine starting applications. They are not recommended or warranted for use in deep cycle applications.

Recommended Charging Information

Alternator: 13.3 to 15.0 volts; no amperage limit
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 current
Rapid Recharge (Constant voltage charger): Max imum voltage 15.6 volts. No current limit as long as battery temperature remains below 51.7°C. Charge until current drops below 1 amp. All limits must be strictly adhered to

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