10 Best Deep Cycle Battery For Winch 2026 in the United States

The Interstate Batteries 31M-AGM is a 12V dual-purpose battery designed for both starting engines and providing deep-cycle power, making it a solid choice for winch use on boats or RVs. With 100Ah capacity and 925 cold cranking amps (CCA), it delivers strong starting power as well as the ability to run accessories over time. Its pure lead AGM design promises a significantly longer cycle life—up to 2-3 times that of conventional batteries—which means it can handle repeated charging and discharging better, important for heavy or frequent winch use.

The battery is maintenance-free, sealed, and resistant to vibration and harsh conditions, which adds convenience and reliability. It weighs around 72 pounds and has a medium-large size (Group 31M), so it’s fairly heavy but typical for a high-capacity marine battery. Being an AGM battery, it costs more upfront than flooded types but provides better durability and less upkeep.

This battery is well suited for users needing dependable, long-lasting power for their winch with added flexibility for marine or RV use.

The Renogy Deep Cycle AGM Battery is a solid option for those needing reliable power in RVs, marine applications, or off-grid systems. With a substantial 200Ah capacity and a 12V output, it can effectively support various appliances and tools, particularly in outdoor settings. One of its standout features is the maintenance-free design, thanks to the absorbent Glass Mat technology, which prevents acid leakage and reduces upkeep efforts, making it convenient for users who prefer a 'set it and forget it' approach.

The battery offers excellent discharge performance, capable of delivering a maximum discharge current of 2000A, which is beneficial for high-demand applications. Additionally, its low self-discharge rate of 3% per month ensures that it retains charge longer when not in use, making it ideal for seasonal or occasional users.

This battery's weight of 127.9 pounds may be a drawback for some, as it can be cumbersome to handle and install, especially for those with limited strength. Furthermore, while it performs well in a range of temperatures, extreme cold settings below 32℉ can still impact its efficiency. Users should also be aware of the installation recommendations, as it should primarily be kept upright to avoid potential damage.

The Interstate Batteries 12V 62Ah 800CCA Marine/RV Battery is designed as a dual-purpose battery, making it suitable for both starting your motor and providing steady power over time, which is key for winch use on boats or RVs. With 800 cold cranking amps (CCA), it offers strong starting power, which helps when you need a quick, reliable burst of energy to get your winch or engine going. Its 62 amp-hour capacity and AGM (absorbed glass mat) pure lead technology mean it supports longer deep-cycle use, allowing the battery to handle extended power needs without losing performance quickly.

This battery also claims to last two to three times longer than conventional lead-acid batteries, which is great if you want something durable and dependable over multiple trips. It is maintenance-free, sealed, and designed to resist vibration and harsh conditions, reducing worries about upkeep. On the downside, at nearly 48 pounds and close to 11 inches in length, it’s somewhat heavy and bulky, which might be a factor if portability or tight space is a concern. Also, while suited for marine and RV use, it may be more than what some simple winch setups require if you only need short bursts of power rather than deep-cycle capability.

This battery represents a solid choice for users seeking a reliable, long-lasting power source capable of handling both starting and prolonged use in tough environments, especially in boats or RVs with multiple accessories.