OPTIMA YELLOWTOP D51

OPTIMA® YELLOWTOP® D51
Compact Design. Dependable Starting and Deep-Cycle Power.

The OPTIMA YELLOWTOP D51 is a 12V dual-purpose AGM battery designed for engine starting and deep-cycle applications. Featuring OPTIMA’s SPIRALCELL® Technology, it combines reliable cranking power with cycling capability for compatible vehicles with additional electronics and accessories.

Its maintenance-free, non-spillable construction and high vibration resistance make it well suited to demanding automotive use. The compact Group 51 format features SAE top posts for compatible installations.

Key Specifications

• Voltage: 12V

• Capacity: 38Ah at the 20-hour rate

• Cold Cranking Amps: 450A (BCI)

• Cranking Amps: 575A

• Reserve Capacity: 66 minutes at 25A

• Battery Technology: AGM

• Battery Group: 51

• Terminals: SAE top posts — Type A

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