Interesting concept.. it can carry a ATV also ?!
Details:
Stealth Mode: Minimal wake, up to 2 knots (2.3 mph), runtime up to 18 hours.
Endurance Mode: 4-7 knots (4.6-8 mph).
Speed Mode: Up to 18 knots (20.7 mph), runtime of 40-50 minutes.
New Battery System: Coming soon, promising up to...