10 Best Sea Doo Battery 2025 in the United States

The Mighty Max YTX20L-BS battery is a solid choice for Sea-Doo watercraft and similar powersports vehicles. It’s a sealed lead-acid (SLA) battery, meaning it doesn’t require you to add water or do regular maintenance, which is great for convenience and reliability. With 270 Cold Cranking Amps (CCA) and an 18 Amp-hour capacity, it provides enough power to start your Sea-Doo even in colder conditions, though it might not be the best if you live somewhere with extremely low temperatures and need maximum starting power.

The battery’s dimensions (about 6.9 x 3.5 x 6.1 inches) and universal fit make it versatile for many models, but you should double-check it matches your Sea-Doo’s battery compartment and terminal layout (negative on left, positive on right). It’s weatherproof and designed to resist shocks and vibrations, which is important for the rough and wet environment of a personal watercraft. The bolt terminal type ensures a secure connection, though keep in mind that mounting accessories and wiring harness are not included, so you might need to get those separately.

At around 13 pounds, it’s a bit on the heavier side compared to some lithium batteries but that’s typical for this type of lead-acid battery. Customers generally rate it well for reliability and value, and it comes with a one-year warranty, giving some peace of mind. If you want a battery that's maintenance-free, durable, and capable of handling typical Sea-Doo electrical demands, this is a dependable pick. However, if you need the lightest possible option or the highest cold start power in very cold weather, you might want to explore other battery types.

The NOCO Lithium NLP20 is a robust choice for those needing a reliable Sea-Doo battery. It features a 12V 7Ah capacity and delivers an impressive 600 cold cranking amps (CCA), which is essential for quick and efficient starts. The battery excels in performance, offering over 50,000 starts and 2,000 charge cycles, making it a very durable option.

Its maintenance requirements are minimal since it does not need activation, acid, or water, and comes fully charged, which is convenient for users who prefer a hassle-free experience. The advanced battery management system (BMS) ensures safety and reliability by providing active cell balancing, which helps prolong battery life. It can also recharge quickly, which is a significant advantage for users who need a fast turnaround.

The versatility in its terminal configurations and fitment options makes it compatible with a wide range of vehicles, from Sea-Doos and jet skis to ATVs and motorcycles. However, the battery’s dimensions may make it a bit of a tight fit for some models, so it’s important to check compatibility. While its initial cost might be higher compared to traditional lead-acid batteries, the long life and low maintenance justify the investment. In summary, the NOCO Lithium NLP20 is a high-performance, durable, and user-friendly battery, making it an excellent choice for Sea-Doo and other power sports vehicle owners.

The YTX20L-BS GEL 12V 18AH Battery by Mighty Max is designed for Sea-Doo models and offers several appealing features. With 270 Cold Cranking Amps (CCA) and an 18AH capacity, it delivers reliable power and performance. Its GEL technology means it's maintenance-free and has a slower self-discharge rate, which helps it retain charge longer when not in use. This can be particularly beneficial for Sea-Doo owners who may not use their watercraft regularly.

The battery is also engineered for durability in extreme conditions, performing well in both hot and cold climates. This makes it versatile for users in various regions and weather conditions. Additionally, its non-spillable gel paste design enhances safety by reducing the risk of leaks and fumes, and it can handle vibrations and shocks, which is essential for the rugged use that Sea-Doo batteries often endure.

Its weight of 13.66 pounds might be a consideration for some users during installation. The dimensions (6.88”D x 3.42”W x 6.1”H) should fit most models, but it's always wise to double-check compatibility with your specific Sea-Doo. Mighty Max battery is a strong choice for Sea-Doo owners looking for a dependable and long-lasting power source.