10 Best Deep Cycle Battery For Winch 2025 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 XS Power D3400 AGM Battery is a robust deep-cycle battery designed for high-demand applications like winches and car audio systems. With an impressive 80Ah capacity and 3300 maximum amps, it can handle heavy loads efficiently. The 1150 cranking amps (CA) and 1012 cold cranking amps (CCA) ensure reliable performance even in extreme weather conditions, making it suitable for various climates.

The battery features a sealed, maintenance-free AGM design, which prevents leaks and requires minimal upkeep. Its compact dimensions (10.24" L x 7.16" H x 6.89" W) and moderate weight (49.97 lbs) make it relatively easy to install and maneuver in tight spaces. Additionally, it offers a substantial reserve capacity of 160 minutes, providing extended power during outages or prolonged use.

The included M6 terminal hardware simplifies installation, and its universal fit type increases compatibility with different vehicles and setups. However, it's worth noting that the battery's weight, while manageable, might still be a consideration for some users when handling. Also, the higher upfront cost could be a drawback for budget-conscious buyers. This battery is ideal for users needing reliable, high-power performance for electric winches, car audio systems, and other heavy-duty automotive accessories.