Watch Batten Down in Action
How do you power SwellUP?
This quick guide shows you 3 options on how to safely inflate and power up the unit for maximum boat cover support—no water pooling, no sagging. Perfect for weekend warriors who want fast, reliable protection.
Will SwellUP fit my boat?
Wondering if SwellUP works with your boat & cover setup? This video breaks down what types of boats and covers are compatible with our inflatable tensioner. From runabouts to pontoons, we’ve got you covered—literally. Find out how to get the right fit, fast.
How long will the fan last?
Curious about the durability of the fan system? In this video, we break down runtime expectations, and what to expect from SwellUP's fan over time. Designed for tough conditions and weekend use, this little powerhouse is built to last. SwellUP, the boat cover tensioner that inflates.
How fast does SwellUP inflate?
Speed matters when you're racing daylight at the dock. This quick demo shows the Batten Down tensioner inflating in just 30 seconds. No pumps, no hassle—just fast, reliable tension that keeps your boat cover tight and water pooling off your mind.