OPTIMA YellowTop D34 Battery – Group 34 AGM

Optima Batteries

The OPTIMA YellowTop D34 is a premium dual-purpose AGM battery designed for both starting and deep cycle performance. Built with 99.99% pure lead and advanced SpiralCell technology, it delivers strong cranking power, long cycle life, and superior vibration resistance.

Ideal for vehicles with high electrical demands and aftermarket accessories.

$450.00

Out of stock

SKU: 8012-021 Category: Tag: Brand:

Description

The OPTIMA YellowTop D34 (8012-021) is a high-performance Group 34 AGM battery engineered for both starting and deep cycle applications. Featuring OPTIMA’s exclusive SpiralCell design with 99.99% pure lead, it delivers powerful starting performance, fast recharge capability, and long service life.

Designed for vehicles with increased electrical demands, the D34 is ideal for cars, trucks, and off-road vehicles equipped with accessories such as winches, upgraded audio systems, or auxiliary lighting.

Key Features

  • Dual purpose design – starting and deep cycle performance
  • 750 Cold Cranking Amps (CCA) for reliable starting power
  • 870 Cranking Amps (CA)
  • 55Ah capacity for deep cycle use
  • 120 minutes Reserve Capacity
  • Exclusive SpiralCell technology with 99.99% pure lead
  • Up to 3x more recharge cycles than standard flooded batteries
  • More than 15x vibration resistance
  • Maintenance-free, spill-proof AGM design
  • Mountable in virtually any position (except inverted)

Specifications

  • Group Size: 34
  • Voltage: 12V
  • Cold Cranking Amps (CCA): 750
  • Cranking Amps (CA): 870
  • Capacity: 55Ah
  • Reserve Capacity: 120 minutes
  • Terminal Type: SAE Automotive
  • Chemistry: AGM (Absorbent Glass Mat)

Dimensions & Weight

  • Length: 10.06″ (255 mm)
  • Width: 6.83″ (174 mm)
  • Height: 7.84″ (199 mm)
  • Weight: 43 lbs (19.5 kg)

Common Applications

  • Automotive starting and electrical systems
  • Trucks, SUVs, and performance vehicles
  • Vehicles with high accessory loads
  • Off-road and 4×4 applications

FAQs

Is the OPTIMA D34 a deep cycle or starting battery?
It is a dual-purpose battery designed to provide both strong starting power and deep cycle capability.

What is the difference between the OPTIMA D34 and D34/78?
The D34 features standard SAE automotive terminals, while the D34/78 includes dual SAE and GM terminals for added flexibility when connecting accessories.
View the OPTIMA D34/78 battery here.

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

Additional information

Weight 42.9 lbs
Dimensions 10.02 × 6.89 × 7.84 in
CCA

750

Reserve Capacity Minutes

120

Chemistry

Brand

Optima

BCI Group Size

9012-021

27992

SC34DA

N9934YEL

YEL34