Group 31 Deep Cycle DC31-8 Marine Battery



Group: MARINE Group 31 – DC31-8

Volts: 12

CCA: 830

AH: 105

Positive Terminal Location: Right

Warranty: 18 Month

Introducing Reno Discount Batteries’ powerhouse for maritime adventures: the Deep Cycle DC31 Flooded 12V Battery is engineered for the rigors of marine life, it excels in user-friendly functionality and enduring reliability.

BUILT TO LAST • Designed for heavy-duty deep cycle applications, delivering ample power for trolling and electronic accessories. • Equipped with built-in safeguards against deep discharge damage. • Crafted with rugged, vibration-resistant construction for marine endurance. • Provides dependable power for modest starting requirements.

CONVENIENT CONNECTIONS • Features exclusive molded-in dual terminals for effortless connection to posts or corrosion-resistant stainless steel studs.

ENHANCED PERFORMANCE • Optimized full-frame plates for increased durability under extreme service conditions, ensuring maximum current transfer.

EXTENDED LIFESPAN • Incorporates advanced life-extending systems, including special separators that prevent electrical shorts and safeguard power-producing components.

UNRIVALED DURABILITY • Fortified current-carrying components resist vibration and maintain peak performance throughout the battery’s lifespan.

LONG-LASTING POWER • Boasts a heavier grid and reinforced, high-density plate design, capable of withstanding continual cycle service for prolonged accessory power.

SUPERIOR CYCLING PERFORMANCE • Features heavy-duty deep cycle construction with special fiberglass mats, enhancing deep cycling capability and ensuring long-term performance.

Reno Discount Batteries’ Deep Cycle DC31 Flooded 12V Battery: your ultimate companion for marine adventures, delivering unparalleled power and reliability on the open sea.

Why Buy From Reno Discount Batteries?


Looking for a convenient way to purchase your car battery? Look no further! At Reno Discount Battery, we offer delivery right to your doorstep. Our goal is to provide excellence in all areas of our business, including product quality and staff friendliness. Customer satisfaction is our top priority. quickly.


The retail auto parts stores charger you a $20 to $40 core charge and unless you return your old battery you will be out that amount of money. We not only do not charge a “Core” charge we will stop back by your place to pickup your old battery once you have installed your new RDB battery. 


Most Batteries come with a FREE 3-Year Warranty from Reno Discount Battieries. Blem Batteries have a 1 Year Free Warranty. All our battery stock is New. These are not refurbished batteries. RDB also does not charge a Battery Core Charge. We do ask that you give us your old battery for recycling.

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    Quality Products
    Free Delivery in Reno Sparks Area*
    WE NEVER CHARGE A core Charge!

    How Our Delivery Program Works

    *Our FREE delivery service is no additional fee during regular business hours, Monday-Friday between 9 am-5 pm.

    After hours in the Reno-Sparks area, you will incur an additional delivery charge of $5 within the Reno-Sparks area and a $10 delivery fee for any delivery to the Carson City area. Tahoe delivery is only available on the Nevada side of Tahoe for a delivery fee of $20.