OPTIMA YellowTop D34/78 Battery – Group 34/78 AGM

Optima Batteries

The OPTIMA YellowTop D34/78 is a premium dual-purpose AGM battery featuring dual SAE and GM terminals for maximum installation flexibility. Designed for both starting power and deep cycle performance, it delivers reliable cranking power, long cycle life and superior vibration resistance.

Ideal for trucks, SUVs and vehicles with high electrical demands or  multiple accessory connections.

$450.00

SKU: 8014-045 Category: Tag: Brand:

Description

The OPTIMA YellowTop D34/78 (8014-045) is a high-performance AGM dual-purpose battery engineered for both starting and deep cycle applications. Featuring OPTIMA’s exclusive SpiralCell design with 99.99% pure lead, it provides strong starting power, fast recharging, and exceptional durability.

With dual SAE and GM terminals, the D34/78 offers flexible installation options, making it ideal for vehicles with multiple electrical connections or aftermarket accessories.

Key Features

  • Dual purpose design – starting and deep cycle performance
  • Dual SAE and GM terminals for versatile installation
  • 750 Cold Cranking Amps (CCA) for strong starting power
  • 55Ah deep cycle capacity
  • 120 minutes Reserve Capacity
  • Exclusive SpiralCell technology with 99.99% pure lead
  • Up to 2x longer life than conventional batteries
  • More than 15x vibration resistance
  • Maintenance-free, spill-proof AGM design
  • Mountable in virtually any position (except inverted)
  • 300+ discharge/recharge cycles

Specifications

  • Group Size: 34/78
  • Voltage: 12V
  • Cold Cranking Amps (CCA): 750
  • Capacity: 55Ah
  • Reserve Capacity: 120 minutes
  • Terminal Type: Dual SAE & GM
  • Chemistry: AGM (Absorbent Glass Mat)

Dimensions & Weight

  • Length: 10.02″ (255 mm)
  • Width: 6.87″ (175 mm)
  • Height: 7.85″ (199 mm)
  • Weight: 44 lbs (19.7 kg)

Common Applications

  • Trucks, SUVs, and performance vehicles
  • Vehicles with high electrical loads
  • Off-road and 4×4 applications
  • Vehicles requiring dual terminal connections

FAQs

What does D34/78 mean?
This battery combines Group 34 and Group 78 sizing with dual terminals, allowing it to fit a wider range of vehicles and connection types.

What are dual terminals used for?
Dual SAE and GM terminals allow for easier connection of accessories such as winches, sound systems, or auxiliary power devices.

Is this battery maintenance-free?
Yes, this is a sealed AGM battery that does not require water top-ups. However, it should be kept properly charged, especially during periods of inactivity.

 

Additional information

Weight 43.5 lbs
Dimensions 10.02 × 6.89 × 7.84 in
Application

Car, Commercial

BCI Group Size

34/78

Chemistry

Brand

Optima

Voltage

Terminal

Dual SAE and GM Side Terminals

9014-045
27991
Yel34/78
989237
SC34DU
N9934/78YEL
Yellow Top 34/78
8014-045