10 Best Dual Purpose Marine Battery of August 2025

• 12-Volt, 750 Cold Cranking Amps, Size: 10 inches x 6 7/8 inches x 7 13/16 inches tall, Weight: 43.5 pounds, Dual SAE & 5/16 inches Stainless Steel Stud Posts. 55 Ah C20 capacity
• Optimal starting power even in bad weather
• Mountable in virtually any position. Works well as a boat battery or RV battery
• Fifteen times more resistant to vibration for durability
• Reserve capacity of 120 minutes for constant performance
• Cranking Amps - 870 Ampere / Marine Cranking Amps - 870 ampere

Optima

• Dimensions: L=7.7" W=5" H=6.1"
• Also avilable as a battery kit: http://www.amazon.com/gp/product/B00HOUCLWE
• Heavy Duty Grids: VMAX heavy duty lead tin alloys provide an extra margin of performance and service life in either float or cyclic applications, even after repeated over discharges.
• Maintenance Free Operation: There is no need to check specific gravity of the electrolyte or add water to VMAX tanks during float service life. In fact, there is no provision for this type of maintenance.
• RECOMMENDED CHARGER: VMAX BC1204 12V 3.3Amp

VMAXTANKS

• 12-Volt, 900 Cold Cranking Amps, Size: 12 13/16" x 6 1/2" x 9 3/8" tall, Weight: 59.8 pounds, Dual SAE & 5/16" Stainless Steel Stud Posts
• Reserve capacity of 155 minutes for constant performance
• Optimal starting power even in bad weather; Fifteen times more resistant to vibration for durability
• This item is not for sale in Catalina Island
• Special Shipping Information: This item cannot be returned and has additional shipping restrictions

Optima

• 170 CCA; Better warranty: Limited 2-year full replacement warranty, not pro rata; Longer service life: With 3-10 years of service life, ODYSSEY batteries save consumers time, money, and aggravation
• Longer cycle life: 70 percentage longer cycle life compared to conventional deep cycle batteries, up to 400 cycles at 80 percentage depth of discharge- high stable voltage for longer periods of time
• Faster recharge: The highest recharge efficiency of any sealed lead battery on the market, capable of 100 percentage recharge in 4 - 6 hours; Mounting flexibility: Non-spillable design
• Vibration resistance- design protects against high impact shock and mechanical vibration; Extreme temperature tolerant
• This item is not for sale in Catalina Island
• "Item is Hazmat and non-returnable

ODYSSEY

• Maintenance-free Absorbed Glass Mat (AGM) technology - no water required, no spills, no leaks, and no maintenance
• AGM technology for our best deep cycle performance
• Valve regulated-gas recombinant technology, can provide up to 3-times the cycle life of conventional auto batteries in traditional vehicle applications
• Calcium positive and negative, full-frame power path grids, provide higher cranking amps and lower self-discharge rates for off season storage (compared with antimony and calcium flooded technology)
• Leak-proof pressurized valve system is engineered for safety and long life. Prevents dry-out and acid damage to the terminals

ACDelco

• 12-Volt, 800 Cold Cranking Amps, Size: 10" x 6 7/8" x 7 13/16" tall, Weight: 38.4 pounds, Dual SAE & 5/16" Stainless Steel Stud Posts
• Reserve capacity of 100 minutes for constant performance
• Optimal starting power even in bad weather
• Fifteen times more resistant to vibration for durability
• This item is not for sale in Catalina Island
• Works well as a boat battery or RV battery

Optima

• 12-Volt, 620 Cold Cranking Amps, Size: 9 5/16" x 6 13/16" x 7 5/8" tall, Weight: 37.8 pounds, Dual SAE and GM Terminals
• Reserve capacity of 100 minutes for constant performance
• Optimal starting power even in bad weather
• Fifteen times more resistant to vibration for durability.Reserve Capacity at 25 Amps:98 Minutes
• This item is not for sale in Catalina Island
• Reserve capacity of 98 minutes for constant performance

Optima

• Pure lead spiralcell design allows for lead to be used in its purest form.C20 Capacity:66 Ah
• Spiralcell technology for superior vibration resistance and extended life
• Solid cast cell connections for increased durability and maximum plate height
• Tightly compressed cells for added vibration resistance. Reserve Capacity at 25 Amps: 140 Minutes
• This item is not for sale in Catalina Island
• CCA - 800 Ampere

Optima

• BATTERY TYPE: BCI 31M AGM rechargeable deep cycle marine battery with [+ -] terminals
• Group 31M Battery | 12V 105AH AGM Gel Sealed Battery | 700CCA | Dimensions: L= 13.00" W= 6.76" H= 8.26" | Leak free, sealed design prevents corrosion. Maintenance Free. No need to add acid. | 2 Year Warranty
• Fits and Replaces: Optima 8052-161 D31M, XMC-31, GL100, GPL-31T, GPL-3100T, ELT-AGM31, NSB-AGM31, 31M-PC2150, and More.
• 100% Compatible OEM replacement for Personal Watercraft, Boat, Marine, RV, and More.
• It's Not a Battery, It's a Banshee.

Banshee

• 12 Volt 110Ah AGM Battery; Dimensions: 12.7"Lx 6.8"Wx8.9"H; Includes 8mm terminal posts; Reserve Capacity of 220 minutes
• Maintenance Free Operation: There is no need to check specific gravity of the electrolyte or add water to VMAXTANKS. Can be mounted in any position
• Rechargeable Sealed battery resists shocks and vibration. High performance AGM technology for long lasting reliable power
• Warranty: 1 Year replacement; 30 day satisfaction guarantee
• TOUGH BATTERIES FOR TOUGH APPLICATIONS.

VMAX TANKS