OPTIMA YELLOWTOP D31T

OPTIMA® YELLOWTOP® D31T
Powerful Starting. Reliable Deep-Cycle Performance.

The OPTIMA YELLOWTOP D31T 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 vehicles and equipment with demanding electrical loads.

Its maintenance-free, non-spillable construction and high vibration resistance make it well suited to accessory-loaded vehicles, trucks with winches and commercial applications. Threaded stud terminals provide secure connections for compatible electrical systems.

Key Specifications

• Voltage: 12V

• Capacity: 75Ah at the 20-hour rate

• Cold Cranking Amps: 900A (BCI)

• Cranking Amps: 1,125A

• Reserve Capacity: 155 minutes at 25A

• Battery Group: 31

• Terminals: Threaded studs — Type T

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