Shop for Duralast Battery BCI Group Size 31 950 CCA 31P-B with confidence at AutoZone.com. Parts are just part of what we do. Get yours online today and pick up in store.

With a 12-Month Free Replacement Warranty, you’ll confidently cruise through nature’s toughest conditions with top-tier power protection. Don’t rely on outdated power units to ignite your rig. Invest in a commercial battery that’s equipped to handle tomorrow’s demands.

Premium deep pocket envelope separators, protect the plates on all four sides to dramatically reduce shorting and extend service life. Genuine calcium lead alloy provides longer waterless operation and extended battery life.

Interstate's Heavy Duty Commercial batteries provide the dependable power and endurance you need for your agriculture, industrial or heavy truck applications. View warranty by purchase date. For countries outside the U.S. and Canada, including Puerto Rico, please contact your local dealer for warranties and product availability.

The 12V Duracell Ultra BCI Group 31P battery has 950 Cold Cranking Amps to provide reliable power for your commercial equipment. Designed to replace BCI Group 31P batteries commonly found in many John Deere and SJ.I. Case & Case models, and more.

With the highest medium-duty cycle life in the industry at 520 cycles, this Group 31 battery is the ideal choice to power extreme cycling applications from sleeper-cab loads to lift gates and reefers. View warranty by purchase date.

The term “Group 31” refers to the Battery Council International (BCI) Group Size Standard for lead-acid batteries. This standard was created to ensure that batteries of the same size and type have the same physical dimensions and can be used interchangeably in a variety of applications.

Popular group 31 size fits most commercial truck applications; Genuine calcium lead alloy provides longer waterless operation and extended battery life; Anchor-locked elements with full-frame grids and tight-packed commercial plates resist the damaging effects of vibration, delivering more power per pound than other batteries

Discover the Duracell Ultra Flooded 950CCA BCI Group 31P Heavy Duty Battery at Batteries Plus—reliable power for your heavy-duty applications.