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Group Size

A BCI (Battery Council International) group size is a standardized system that categorizes car and truck batteries by their physical dimensions, terminal configurations, and placement, ensuring compatibility between batteries and vehicles. Different group numbers, such as 24 or 31, correspond to specific sizes and features, with the correct size determined by checking the vehicle's owner's manual or the existing battery. Powersports batteries use a different designation, often a YTX, YTZ, or BTX prefix followed by numbers, which denotes the physical size, capacity (Amp Hours or AH), and type (e.g., lead-acid or lithium).

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  • Fullriver DC400-6 6V 400 Ah AGM Battery

    Fullriver DC400-6 6V 400Ah Deep Cycle AGM Battery (Group 903 L16)

    Fullriver
    MSRP: $852.99
    $804.95
    When it comes to Deep Cycle batteries, the details matter. Construction, plate chemistry, and craftsmanship all have to be in sync to get the longest life in the most demanding applications. Fullriver DC series batteries use more lead and heavier plates...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $852.99
    $804.95
    Subtotal:
  • Fullriver DC215-12 12V 215 Ah AGM Battery

    Fullriver DC215-12 12V 215Ah Deep Cycle AGM Battery (Group 921 185)

    Fullriver
    MSRP: $901.99
    $869.95
    When it comes to Deep Cycle batteries, the details matter. Construction, plate chemistry, and craftsmanship all have to be in sync to get the longest life in the most demanding applications. Fullriver DC series batteries use more lead and heavier plates...
    Qty in Cart: 0
    Price:
    MSRP: $901.99
    $869.95
    Subtotal:
  • ULTRAPOWER EV24 12V 625 MCA Maintenance-Free Marine Battery (Group 24) ULTRAPOWER EV24 12V 625 MCA Maintenance-Free Marine Battery (Group 24)

    ULTRAPOWER EV24 12V 625 MCA Maintenance-Free Marine Battery (Group 24)

    ULTRAPOWER
    $319.95
    When you need a battery, you need it FAST, and you need to know you're choosing the best. ULTRAPOWER batteries use only the highest-quality components, grids, and separators, resulting in a battery that provides optimal power for any application.Model:...
    Qty in Cart: 0
    Quantity:
    Price:
    $319.95
    Subtotal:
  • ULTRAPOWER 1024M 12V 1000 MCA Maintenance-Free Marine/RV Battery (Group 24) ULTRAPOWER 1024M 12V 1000 MCA Maintenance-Free Marine/RV Battery (Group 24)

    ULTRAPOWER 1024M 12V 1000 MCA Maintenance-Free Marine/RV Battery (Group 24)

    ULTRAPOWER
    $399.95
    When you need a battery, you need it FAST, and you need to know you're choosing the best. ULTRAPOWER batteries use only the highest-quality components, grids, and separators, resulting in a battery that provides optimal power for any application.Model:...
    Qty in Cart: 0
    Quantity:
    Price:
    $399.95
    Subtotal:
  • ULTRAPOWER 524M 12V 525 MCA Maintenance-Free Marine Battery (Group 24) ULTRAPOWER 524M 12V 525 MCA Maintenance-Free Marine Battery (Group 24)

    ULTRAPOWER 524M 12V 525 MCA Maintenance-Free Marine Battery (Group 24)

    ULTRAPOWER
    $264.95
    When you need a battery, you need it FAST, and you need to know you're choosing the best. ULTRAPOWER batteries use only the highest-quality components, grids, and separators, resulting in a battery that provides optimal power for any application.Model:...
    Qty in Cart: 0
    Quantity:
    Price:
    $264.95
    Subtotal:
  • ULTRAPOWER EV24 12V 625 MCA Maintenance-Free Marine Battery (Group 24) 2 Pack ULTRAPOWER EV24 12V 625 MCA Maintenance-Free Marine Battery (Group 24)

    ULTRAPOWER EV24 12V 625 MCA Maintenance-Free Marine Battery (Group 24) - 2 Pack

    ULTRAPOWER
    $389.95
    When you need a battery, you need it FAST, and you need to know you're choosing the best. ULTRAPOWER batteries use only the highest-quality components, grids, and separators, resulting in a battery that provides optimal power for any application.Model:...
    Qty in Cart: 0
    Quantity:
    Price:
    $389.95
    Subtotal:
  • ULTRAPOWER RV24 12V 550 CCA Flooded RV Battery (Group 24) ULTRAPOWER RV24 12V 550 CCA Flooded RV Battery (Group 24)

    ULTRAPOWER RV24 12V 550 CCA Flooded RV Battery (Group 24)

    ULTRAPOWER
    $439.95
    When you need a battery, you need it FAST, and you need to know you're choosing the best. ULTRAPOWER batteries use only the highest-quality components, grids, and separators, resulting in a battery that provides optimal power for any application.Model:...
    Qty in Cart: 0
    Quantity:
    Price:
    $439.95
    Subtotal:
  • Fullriver DC335-6 6V 335 Ah AGM Battery

    Fullriver DC335-6 6V 335Ah Deep Cycle AGM Battery (Group 902 305)

    Fullriver
    $749.95
    When it comes to Deep Cycle batteries, the details matter. Construction, plate chemistry, and craftsmanship all have to be in sync to get the longest life in the most demanding applications. Fullriver DC series batteries use more lead and heavier plates...
    Qty in Cart: 0
    Quantity:
    Price:
    $749.95
    Subtotal:
  • ULTRAPOWER EV24 12V 625 MCA Maintenance-Free Marine Battery (Group 24) 4 Pack ULTRAPOWER EV24 12V 625 MCA Maintenance-Free Marine Battery (Group 24)

    ULTRAPOWER EV24 12V 625 MCA Maintenance-Free Marine Battery (Group 24) - 4 Pack

    ULTRAPOWER
    $529.95
    When you need a battery, you need it FAST, and you need to know you're choosing the best. ULTRAPOWER batteries use only the highest-quality components, grids, and separators, resulting in a battery that provides optimal power for any application.Model:...
    Qty in Cart: 0
    Quantity:
    Price:
    $529.95
    Subtotal:
  • ULTRAPOWER EV24 12V 625 MCA Maintenance-Free Marine Battery (Group 24) 8 Pack ULTRAPOWER EV24 12V 625 MCA Maintenance-Free Marine Battery (Group 24)

    ULTRAPOWER EV24 12V 625 MCA Maintenance-Free Marine Battery (Group 24) - 8 Pack

    ULTRAPOWER
    $864.95
    When you need a battery, you need it FAST, and you need to know you're choosing the best. ULTRAPOWER batteries use only the highest-quality components, grids, and separators, resulting in a battery that provides optimal power for any application.Model:...
    Qty in Cart: 0
    Quantity:
    Price:
    $864.95
    Subtotal:
  • ULTRAPOWER RV24 12V 450 CCA Flooded RV Battery (Group 24) 3 pack ULTRAPOWER RV24 12V 450 CCA Flooded RV Battery (Group 24)

    ULTRAPOWER RV24 12V 450 CCA Flooded RV Battery (Group 24) - 3 pack

    ULTRAPOWER
    $504.95
    When you need a battery, you need it FAST, and you need to know you're choosing the best. ULTRAPOWER batteries use only the highest-quality components, grids, and separators, resulting in a battery that provides optimal power for any application.Model:...
    Qty in Cart: 0
    Quantity:
    Price:
    $504.95
    Subtotal:
  • ULTRAPOWER RV24 12V 450 CCA Flooded RV Battery (Group 24) 2 Pack ULTRAPOWER RV24 12V 450 CCA Flooded RV Battery (Group 24)

    ULTRAPOWER RV24 12V 450 CCA Flooded RV Battery (Group 24)- 2 pack

    ULTRAPOWER
    $369.95
    When you need a battery, you need it FAST, and you need to know you're choosing the best. ULTRAPOWER batteries use only the highest-quality components, grids, and separators, resulting in a battery that provides optimal power for any application.Model:...
    Qty in Cart: 0
    Quantity:
    Price:
    $369.95
    Subtotal:
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