- Strongest five-second starting burst
- Up to two times longer life
- More than 15 times the vibration resistance
- Completely spillproof, mountable in virtually any position
- Faster recharging
- Optimal starting power
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.
If you have demanding electrical accessory loads such as winches, audio systems, and other devices, take a look at the YELLOWTOP® 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.
Includes applicable installation and/or height adapters for this battery.
|NSN:||6140 01 457 4339|
|UPC Code:||8 11405 00003 4|
|Cold Cranking Amps:||800|
|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)|
High purity lead-tin alloy. Wound cell configuration utilizing proprietary
Sulfuric acid, H2SO4
|Case Color:||Dark Gray|
|Cover Color:||“OPTIMA“ Red|
|Group Size:||BC I: 34/78|
|Post Type:||Dual SAE/GM|
|CCA (BCI 0°F):||800 amps|
|MCA (BCI 32°F):||1000 amps|
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.)
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 approxima te|
|Float Charge:||13.2 to 13.8 volts; 1 amp max imum current (indefinite time a t lower voltages)|
|Rapid Recharge (Constant voltage charger):||Max imum voltage 15.6 volts. No current limit as long as ba ttery tempera ture rema ins below 125°F (51.7°C ). C harge until current drops below 1 amp. All limits must be stric tly adhered to.|