Defender US
Free Shipping on orders over $99*

12V Batteries for Boats

87 Listed

  1. Power-Tec 12V AGM Deep Cycle Marine Battery - Group 8D - 8A8DM

    $909.99
    1

  2. Sportsman Starting Battery 12V Lead Acid Group 24 - 95A Hr - 24M1000

    $149.99
    1

  3. Odyssey Marine Dual Purpose Extreme Battery - Group 31 - ODX-AGM31M

    $631.99
    0

  4. Sportsman Deep Cycle Marine Battery - 12V Lead Acid Group 31 - DC31

    $199.99
    1

  5. Sportsman Dual Purpose Battery - 12V Lead Acid Group 27 - DP27M

    $159.99
    1

  6. Power-Tec 12V AGM Deep Cycle Marine Battery - Group 31 - 8A31DTM

    $389.99
    3

  7. Sportsman Starting Battery - 12V Lead Acid Group 27 - 27M1000

    $179.99
    0

  8. Sportsman Deep Cycle Marine Battery - 12V Lead Acid Group 4D - DC4D

    $369.99
    1

  9. Lifeline AGM Deep Cycle Marine Battery - GPL-27T

    $504.99
    2

  10. Sportsman Deep Cycle Marine Battery - 12V Lead Acid Group 27 - DC27

    $184.99
    2

  11. Lifeline AGM Deep Cycle Marine Battery - GPL-4DL

    $944.99
    0

  12. Lifeline AGM Deep Cycle Marine Battery - GPL-31T

    $529.99
    0

  13. Sportsman Starting Battery 12V Lead Acid Group 24 - 75A Hr - 24M600

    $114.99
    1

  14. Sportsman Dual Purpose Battery - 12V Lead Acid Group 31 - DP31M

    $189.99
    1

  15. Sportsman Deep Cycle Marine Battery - 12V Lead Acid Group 8D - DC8D

    $444.99
    3

  16. Sportsman Marine Dual Purpose Extreme Battery - Group 27 - AGM27M

    $273.99
    0

  17. Sportsman Marine Dual Purpose Extreme Battery - Group 24 - AGM24M

    $216.99
    0

  18. Optima Bluetop Optima Spiral Cell Dual Purpose Marine Battery - D34M

    $367.99
    1

  19. Sportsman Dual Purpose Battery - 12V Lead Acid Group 24 - DP24M

    $144.99
    1

  20. MasterVolt AGM Battery - 12V Group 8D - 62002250

    $948.89
    0
  21. Up to 46% off

    Xantrex 12V Lithium Ion Iron Phosphate Battery

    $449.99 - $1,799.00
    0

  22. Sportsman Deep Cycle Marine Battery - 12V Lead Acid Group 24 - DC24

    $164.99
    1

  23. Power-Tec 12V AGM Deep Cycle Marine Battery - Group U1 - 8AU1H

    $141.99
    0

  24. Optima Bluetop Dual Purpose Marine Battery - Group 27 - D27M

    $399.99
    1

  25. Odyssey Marine Dual Purpose Extreme Battery - Group 27 - ODX-AGM27M

    $583.99
    0

  26. Odyssey Marine Dual Purpose Extreme Battery - Group 24 - ODX-AGM24M

    $507.99
    0

  27. Power-Tec 12V AGM Deep Cycle Marine Battery - Group 27 - 8A27M

    $347.99
    0

  28. Power-Tec 12V AGM Deep Cycle Marine Battery - Group 24 - 8A24M

    $304.99
    0

  29. Power-Tec 12V AGM Deep Cycle Marine Battery - Group 4D - 8A4DM

    $765.99
    0

  30. Epoch Essential Series LiFePO4 Battery - 12V 105Ah - 12105A-H

    $584.99

  31. Lifeline AGM Deep Cycle Marine Battery - GPL-24T

    $444.99
    0

  32. Sportsman Dual Purpose Extreme Battery - Group 31 - AGM31M

    $342.99
    0

  33. Gel-Tech Deep Cycle Marine Battery - Group 31 - 8G31DT

    $479.99
    1

  34. Power-Tec Deep Cycle Marine Battery - 12V AGM/Group 34 - 9A34M

    $260.99
    0

  35. Gel-Tech Deep Cycle Marine Battery - Group 4D - 8G4D

    $911.99
    0

  36. Lifeline AGM Deep Cycle Marine Battery - GPL-8DL

    $1,126.99
    0

  37. Optima Bluetop Optima Spiral Cell Starting Marine Battery - 34M

    $332.99
    0

  38. Optima Bluetop Dual Purpose Marine Battery - Group 31 - D31M

    $457.99
    0

  39. Gel-Tech Deep Cycle Marine Battery - Group 8D - 8G8D

    $1,084.99
    0

  40. MasterVolt AGM Battery - 12V Group 31 - 62000900

    $428.89
    0

  41. Battle Born Deep Cycle Battery - Group 31

    $799.00 - $999.00

  42. Sportsman Heavy Duty 12V 4D Commercial Lead Acid Starting Battery - XH4D

    $309.99
    0

  43. Victron Energy AGM Telecom 12V Battery

    $518.50

  44. Victron Energy AGM Super Cycle 12V Battery

    $361.25

  45. NOCO Group U1 Dual Purpose Lithium Battery - 40Ah - NLXU1

    $499.95
  46. 10% off

    Odyssey Marine Dual Purpose Extreme Battery - Group 34 - ODX-AGM34M

    $425.69
    0

  47. Sportsman Heavy Duty 12V 8D Commercial Lead Acid Starting Battery - XH8D

    $399.99
    1
  48. 15% off

    Rolls Flooded Deep Cycle Group 24 Marine Battery - 12FS24

    $241.39
    0
 
1 / 2Next

1Filters

Clear All
  1. Voltage (V): 12 ×
Manufacturer
Price
69.99
2557.99
More Ways To Shop
Availability
Fulfillment
Technology
Battery Acid
Voltage (V)
Cold Cranking Amps (CCA)
500.000000
1800.000000
Capacity (Ah)
100.000000
270.000000

Change Locale

United States - English Shop in currency: USD
Canada - English Shop in currency: CAD
Canada - Français Shop in currency: CAD

Explore

Guides
Brands

Helpful Information

Track My Order
Shipping Policy
Return Policy
Outlet Store
Commercial Accounts

Get In Touch

Customer Service
1-800-435-7180
Send a Message

Resources

Gift Cards
Privacy Policy
Conditions of Use
Accessibility Statement

Stay Connected

X
Facebook
Instagram
YouTube
Toggle desktop/mobile version
2026 © Defender. All Rights Reserved.