Skip to Main Content Skip to Footer Links
Error occured! Please reload the page and try again
Choose a Store
Open till 
There are vehicles in your garage

Free shipping on orders over $25.

Enroll in Speed Perks for more savings.

Cart is empty!

Add Something to the cart

includes estimated shipping

Vehicle added


Find parts for the selected vehicle:

View Vehicles
Are you sure you want to delete this vehicle?

    Add a

    Add a

    CARQUEST HD Battery Heavy Duty Commercial & Farm Battery, Group Size 31T, 950 CCA

    Loading ...
    Warranty Information
    Free automotive battery testing and recycling. Plus, free installation on most batteries with purchase. See store for details.
    • Product Details

      Part No. 31S30

      Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)

      These batteries do the job for commercial trucks, heavy duty and agricultural applications.

      Product Features:

      • Up to 2x the life of a standard flooded battery.
      • Patented stamped grid technology in both positive and negative grids, resulting in superior performance and longer life in high heat and demanding environments.
      • Superior vibration resistance
      • Certified NONSPILLABLE for safety and flexibility in mounting location.

    • Specifications
      • BCI Group Size:31T
        Cold Cranking Amperage:950 A
        Cranking Amperage:1185 A
        Negative Terminal Location:Top Right
        Positive Terminal Location:Top Left
        Reserve Capacity:175 min
        Terminal Type:Top Mount
        Voltage:12.0 VDC
    • Read Review
    • Q & A