Deep Cycle Marine Batteries and Chargers

We offer marine batteries for both starting and deep cycle applications. Our deep cycle marine batteries are available in maintenance free AGM and GEL so you don't have to maintain any acid or water levels. We also offer battery chargers to keep your marine batteries charged and maintained.

Starting Applications

Deep Cycle / Backup Applications

Deep Cycle Marine Battery Chargers

Marine Accessories
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12 Volt 35 Ah AGM Sealed Lead Acid Rechargeable Battery
Item #: SLA-12V35  |  

12 Volt 35 Ah AGM Sealed Lead Acid Rechargeable Battery

12 Volt 35 Ah AGM Sealed Lead Acid Rechargeable Battery

Item #: SLA-12V35
Voltage: 12 Volt / 35 Ah / 350 CCA
• AGM
• Dimensions: 7 3/4" / 5 1/8" / 6 3/8"
• Weight: 27.00 lbs
• Warranty: 1 Year
• See All Compatible Models
Reg. Price: $109.95
SALE Price: $84.95
You save: $25.00!
QTY:
12 Volt 32 Ah Gel Cell Sealed Lead Acid Battery
Item #: GEL-8G-U1  |  

12 Volt 32 Ah Gel Cell Sealed Lead Acid Battery

Made in USA MADE IN USA

12 Volt 32 Ah Gel Cell Sealed Lead Acid Battery

Item #: GEL-8G-U1
Voltage: 12 Volt / 32 Ah
• Gel
• Dimensions: 8 5/16" / 5 1/8" / 7 1/4"
• Weight: 26.00 lbs
• Warranty: 1 Year
• See All Compatible Models
Price:
$179.95
Price: $179.95
QTY:
12 Volt 55 Ah Sealed Lead Acid Rechargeable Battery
Item #: SLA-12V55  |  

12 Volt 55 Ah Sealed Lead Acid Rechargeable Battery

Made in USA MADE IN USA

12 Volt 55 Ah Sealed Lead Acid Rechargeable Battery

Item #: SLA-12V55
Voltage: 12 Volt / 55 Ah
• Sealed Lead Acid
• Dimensions: 9 3/8" / 5 1/2" / 9 1/4"
• Weight: 43.00 lbs
• Warranty: 1 Year
Price:
$199.95
Price: $199.95
QTY:
9A35/85 AGM Group 35/85 Battery
Item #: SLA-9A35/85  |  

9A35/85 AGM Group 35/85 Battery

9A35/85 AGM Group 35/85 Battery

Item #: SLA-9A35/85
Voltage: 12 Volt / 50 Ah / 640 CCA
• AGM
• Dimensions: 9 1/2" / 6 3/4" / 7 3/4"
• Weight: 54.00 lbs
• Warranty: 1 Year
• See All Compatible Models
Price:
$235.95
Price: $235.95
QTY:
Mega Crank 9A34M Marine AGM Battery
Item #: SLA-9A34M  |  

Mega Crank 9A34M Marine AGM Battery

Made in USA MADE IN USA

Mega Crank 9A34M Marine AGM Battery

Item #: SLA-9A34M
Voltage: 12 Volt / 55 Ah / 750 CCA
• Dimensions: 10.25" / 6.5" / 7" (8.25" Top of Terminal)
• Weight: 47.00 lbs
• Warranty: 1 Year
• See All Compatible Models
Price:
$249.95
Price: $249.95
QTY:
Mega Crank AGM Battery - 750 CCA
Item #: SLA-9A34  |  

Mega Crank AGM Battery - 750 CCA

Made in USA MADE IN USA

Mega Crank AGM Battery - 750 CCA

Item #: SLA-9A34
Voltage: 12 Volt / 55 Ah / 750 CCA
• AGM
• Dimensions: 10.25" / 6.5" / 7" (8" Top of Terminal)
• Weight: 48.00 lbs
• Warranty: 1 Year
Price:
$237.95
Price: $237.95
QTY:
USA-Made Mega Crank 9A78DT Dual Terminal AGM Battery (775 CCA)
Item #: SLA-9A78DT  |  

USA-Made Mega Crank 9A78DT Dual Terminal AGM Battery (775 CCA)

Backordered: Available March 31st, 2023
Made in USA MADE IN USA

USA-Made Mega Crank 9A78DT Dual Terminal AGM Battery (775 CCA)

Item #: SLA-9A78DT   |  Backordered: Available March 31st, 2023
Voltage: 12 Volt / 55 Ah / 775 CCA
• AGM
• Dimensions: 10.25" / 6.5" / 7"
• Weight: 46.45 lbs
• Warranty: 1 Year
• See All Compatible Models
Price:
$248.95
Price: $248.95
QTY:
12 Volt 51 Ah Gel Cell Sealed Lead Acid Battery
Item #: GEL-8G-22NF  |  

12 Volt 51 Ah Gel Cell Sealed Lead Acid Battery

Backordered: Available April 10th, 2023
Made in USA MADE IN USA

12 Volt 51 Ah Gel Cell Sealed Lead Acid Battery

Item #: GEL-8G-22NF   |  Backordered: Available April 10th, 2023
Voltage: 12 Volt / 51 Ah
• Gel
• Dimensions: 9 3/8" / 5 1/2" / 9 1/4"
• Weight: 39.75 lbs
• Warranty: 1 Year
Price:
$259.95
Price: $259.95
QTY:
Marathon 8A24 Group 24 AGM Battery [12V, 75Ah]
Item #: SLA-12V75  |  

Marathon 8A24 Group 24 AGM Battery [12V, 75Ah]

Made in USA MADE IN USA

Marathon 8A24 Group 24 AGM Battery [12V, 75Ah]

Item #: SLA-12V75
Voltage: 12 Volt / 75 Ah
• Sealed Lead Acid
• Dimensions: 10 7/8" / 6 3/4" / 9 7/8"
• Weight: 60.00 lbs
• Warranty: 1 Year
• See All Compatible Models
Price:
$249.95
Price: $249.95
QTY:
9A65 High Performance Group 65 AGM Battery
Item #: SLA-9A65  |  

9A65 High Performance Group 65 AGM Battery

9A65 High Performance Group 65 AGM Battery

Item #: SLA-9A65
Voltage: 12 Volt / 75 Ah / 750 CCA / 860 CA
• AGM
• Dimensions: 12" / 7.38" / 7.63"
• Weight: 50.55 lbs
• Warranty: 1 Year
• See All Compatible Models
Price:
$248.95
Price: $248.95
QTY:
12 Volt 32 Ah Gel Cell Sealed Lead Acid Battery - 2 Pack
Item #: GEL-8G-U1-X2  |  

12 Volt 32 Ah Gel Cell Sealed Lead Acid Battery - 2 Pack

Made in USA MADE IN USA

12 Volt 32 Ah Gel Cell Sealed Lead Acid Battery - 2 Pack

Item #: GEL-8G-U1-X2
Voltage: 12 Volt / 32 Ah
• Gel
• Dimensions: 8 5/16" / 5 1/8" / 7 1/4"
• Weight: 52.00 lbs
• Warranty: 1 Year
Price:
$359.90
Price: $359.90
QTY:
12 Volt 74 Ah Gel Cell Sealed Lead Acid Battery
Item #: GEL-8G-24  |  

12 Volt 74 Ah Gel Cell Sealed Lead Acid Battery

Backordered: Available April 15th, 2023
Made in USA MADE IN USA

12 Volt 74 Ah Gel Cell Sealed Lead Acid Battery

Item #: GEL-8G-24   |  Backordered: Available April 15th, 2023
Voltage: 12 Volt / 74 Ah
• Gel
• Dimensions: 10 7/8" / 6 3/4" / 9 7/8"
• Weight: 60.00 lbs
• Warranty: 1 Year
Price:
$337.95
Price: $337.95
QTY:

Frequently Asked Questions about Deep Cycle Marine Batteries

What is the difference between MCA (Marine Cranking Amps) and CCA (Cold Cranking Amps)?
Cold Cranking Amps are the number of amps a battery can deliver for 30 seconds at 0°F while maintaining its voltage above 7.2 volts. Marine Cranking Amps are the number of amps a battery can deliver for 30 seconds at 32°F while maintaining it's voltage above 7.2 volts.