OPTIMA YELLOWTOP D34/78

OPTIMA® YELLOWTOP® D34/78
Strong Starting Power. Versatile Dual-Terminal Design.

The OPTIMA YELLOWTOP D34/78 is a 12V dual-purpose AGM battery designed for engine starting and deep-cycle applications. Featuring OPTIMA’s SPIRALCELL® Technology, it combines strong cranking power with dependable cycling capability for compatible vehicles with demanding electronics and accessories.

Its maintenance-free construction and high vibration resistance make it well suited to demanding automotive use. Dual SAE top posts and GM-style side terminals provide connection options for compatible installations.

Key Specifications

• Voltage: 12V

• Capacity: 55Ah at the 20-hour rate

• Cold Cranking Amps: 750A (BCI)

• Cranking Amps: 870A

• Reserve Capacity: 120 minutes at 25A

• Battery Technology: AGM

• Battery Group: 34/78

• Terminals: Dual SAE top posts and GM-style side terminals

Start strong. Keep your adventure powered.

Check dimensions, terminal layout, capacity and vehicle compatibility before ordering. Contact us for installation enquiries. Delivery only at checkout.

Manufacturer series guidance: https://www.optimabatteries.com/support