The Bixpy Outboard Batteries are fully waterproof and corrosion resistant in addition to being buoyant, so in the inevitable event of a kayak or SUP flip or large waves, the last thing you need to worry about is your battery getting wet or falling into the water. The slender body design of the PP-378 allows for a variety of storage and carry options. In most fishing kayaks, the batteries can easily fit under the seats. They can also be strapped to fishing crates, stored in kayak bellies or inside most fishing kayak hatches. Battery output is controlled via a sealed, waterproof, buoyant, wireless controller that can be worn on your wrist or carried anywhere else on your boat. In addition, the Bixpy Outboard Batteries offer a 5V and 12V outlet for charging or running your personal electronics on board. *Disclaimer: This is the version 4 of the PP-378 Outboard Battery, and it will only work with bluetooth remotes that come with the vers