OPTIMA YELLOWTOP D51R

OPTIMA® YELLOWTOP® D51R
Compact Design. Dependable Starting and Deep-Cycle Power.

The OPTIMA YELLOWTOP D51R 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 construction and high vibration resistance make it well suited to demanding automotive use. The compact Group 51R format features SAE top posts, with a terminal layout reversed relative to the D51.

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: 51R

• Terminals: SAE top posts

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