Defender US
Free Shipping on orders over $99*

12V Batteries for Boats

87 Listed

  1. 5% off

    Lifeline AGM Deep Cycle Marine Battery - GPL-4DL

    $897.74
    0

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

    $149.99
    1
  3. 5% off

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

    $370.49
    3
  4. 5% off

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

    $864.49
    1

  5. MasterVolt AGM-SL Slimline AGM Battery - 12V/200Ah - 63001851

    $852.19
    0

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

    $184.99
    2
  7. 5% off

    Lifeline AGM Deep Cycle Marine Battery - GPL-8DL

    $1,070.64
    0

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

    $199.99
    1
  9. 5% off

    Lifeline AGM Deep Cycle Marine Battery - GPL-27T

    $479.74
    2

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

    $179.99
    0

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

    $444.99
    3

  12. Epoch V2 Elite Series LiFePO4 Battery - 12V 460Ah - C12460A

    $2,399.00

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

    $159.99
    1

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

    $369.99
    1
  15. 5% off

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

    $600.39
    0

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

    $114.99
    1

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

    $189.99
    1

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

    $164.99
    1
  19. 5% off

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

    $330.59
    0
  20. 5% off

    Optima Bluetop Dual Purpose Marine Battery - Group 27 - D27M

    $379.99
    1
  21. 5% off

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

    $482.59
    0

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

    $144.99
    1
  23. 5% off

    Sportsman Marine Dual Purpose Extreme Battery - Group 27 - AGM27M

    $260.29
    0
  24. 5% off

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

    $455.99
    1
  25. 5% off

    Sportsman Marine Dual Purpose Extreme Battery - Group 24 - AGM24M

    $206.14
    0
  26. 5% off

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

    $289.74
    0
  27. 5% off

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

    $134.89
    0
  28. 5% off

    Optima Bluetop Optima Spiral Cell Dual Purpose Marine Battery - D34M

    $349.59
    1

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

    $584.99
  30. 5% off

    Optima Bluetop Dual Purpose Marine Battery - Group 31 - D31M

    $435.09
    0
  31. 5% off

    Lifeline AGM Deep Cycle Marine Battery - GPL-24T

    $422.74
    0
  32. 5% off

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

    $727.69
    0

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

    $309.99
    0
  34. 5% off

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

    $554.79
    0
  35. Up to 46% off

    Xantrex 12V Lithium Ion Iron Phosphate Battery

    $449.99 - $1,709.05
    0

  36. RELiON RB60 Deep Cycle Lithium Battery - Group 24

    $569.95
  37. 5% off

    Optima Bluetop Optima Spiral Cell Starting Marine Battery - 34M

    $316.34
    0
  38. 5% off

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

    $247.94
    0

  39. MasterVolt AGM Battery - 12V Group 4D - 62001600

    $683.69
    0

  40. Victron Energy AGM Telecom 12V Battery

    $518.50

  41. RELiON RB12 Deep Cycle Lithium Battery

    $109.95

  42. Victron Energy AGM Super Cycle 12V Battery

    $361.25
  43. 5% off

    Lifeline AGM Deep Cycle Marine Battery - GPL-31T

    $503.49
    0
  44. 5% off

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

    $866.39
    0
  45. 5% off

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

    $1,030.74
    0

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

    $421.99

  47. RELiON RB52 Deep Cycle Lithium Battery

    $469.95

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

    $399.99
    1
 
1 / 2Next

1Filters

Clear All
  1. Voltage (V): 12 ×
Manufacturer
Price
74.99
2600
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.