Mighty Max Battery 12V 19AH YB16CL-B AGM Marine Battery for Yamaha WaveRunner 250CCA, Sealed Maintenance-Free

The Mighty Max Battery YB16CL-B is a sealed 12V 19AH AGM battery engineered to replace factory batteries in Yamaha WaveRunner models from 1987–2008.

If your personal watercraft needs a dependable, maintenance-free battery with strong starting power and a compact footprint, the YB16CL-B offers a direct-fit alternative. This sealed lead-acid (SLA) battery combines 250 Cold Cranking Amps (CCA) with an absorbent glass mat (AGM) design so it can be mounted in any position and resists spills, vibration, and typical marine conditions. The listing includes the battery and mounting screws only—no harness or additional accessories.

Will this battery fit my Yamaha WaveRunner model?

The YB16CL-B is sized and configured to match a wide range of Yamaha WaveRunner models made between 1987 and 2008. Confirm the terminal layout and physical dimensions against your original battery before purchasing to ensure a correct fit.

• Compatible with many Yamaha WaveRunner models 1987–2008
• Polarity: negative on the left, positive on the right
• Physical size: 6.75" L x 3.81" W x 6.81" H
• Check existing battery part numbers and terminal positions for certainty

How reliable is the starting power and performance?

With 250 CCA and a 19AH capacity, this battery delivers the burst of current needed to start most WaveRunners reliably, even in cooler conditions. The AGM construction supports high discharge rates and improves recovery after deep draws typical of marine electronics and accessories.

• 250 Cold Cranking Amps for dependable starts
• 19 amp-hour capacity for accessory and onboard-system support
• AGM/SLA design handles repeated charge/discharge cycles
• Wide operating temperature range suitable for marine use

What installation and maintenance should I expect?

The battery arrives sealed and ready to install; because it is spill-proof, orientation in the battery box is flexible. The kit includes screws for securing the battery, but you will need to reuse your existing wire harness or purchase compatible mounting hardware if yours is missing.

• Rechargeable and sealed—no topping off water
• Screws included; no wire harness or extra mounting accessories
• Can be mounted in any position to suit cramped compartments
• Resists shocks and vibration common in personal watercraft

What warranty and lifespan can I expect?

Mighty Max Battery backs the YB16CL-B with a full one-year warranty covering manufacturing defects. Actual service life varies with usage, charging habits, and storage conditions; proper charging and winter storage extend longevity.

• Full one-year warranty from Mighty Max Battery
• Lifespan influenced by charge maintenance and operating environment
• AGM chemistry supports deeper discharge recovery than conventional flooded batteries
• Store charged in a cool, dry place to prolong life

Who is this for: The Mighty Max YB16CL-B is built for WaveRunner owners looking for a sealed, maintenance-free replacement battery with strong starting current and resilient AGM construction. It suits riders who need a compact, vibration-resistant battery for recreational or utility use on Yamaha personal watercraft from the late 1980s through the 2000s, provided they confirm fit and terminal orientation before installation.