DAVIE, FL — June 4 2026 — TheNewswire - Brownie’s Marine Group, Inc. (OTC: BWMG), through its Brownie’s Third Lung division, announced the continued expansion of its Sea LiON™ battery-powered surface-supplied diving product line with the introduction of the new Sea LiON Sport and the rollout of a new high-capacity 70-Ah battery platform for Sea LiON Standard and Sea LiON Pro systems.

The announcements represent the latest milestone in Brownie’s mission to make diving more convenient and fun for boating families around the world by offering the experiences of scuba diving without the hassle.

The new 70-Ah battery platform pushes the Sea LiON Standard and Pro beyond what many recreational divers have considered the holy grail of battery-powered diving performance—providing more than three hours of runtime for up to three divers operating at depths of up to 33 feet. This matches roughly 9 scuba tanks worth of air, but in one single package. Despite its increased capacity, the proprietary battery weighs less than 20 pounds, maintaining the portability that has become a hallmark of the Sea LiON product line.

At the same time, Brownie’s Third Lung is introducing the all-new Sea LiON Sport, featuring a lighter-weight 50-Ah battery weighing approximately 15 pounds. The Sea LiON Sport is designed to provide a more affordable entry point into battery-powered surface-supplied diving and brings the retail price significantly closer to traditional gasoline-powered recreational dive systems.

"Our objective has always been to remove barriers that prevent people from enjoying the underwater world," said Robert Carmichael, CEO of Brownie’s Marine Group. "The Sea LiON Sport makes battery-powered diving more accessible, while our new 70-Ah battery demonstrates that we continue to push the boundaries of runtime, portability, and user convenience. We are seeing strong interest from both new and existing customers as battery-powered marine equipment continues to gain acceptance. These product enhancements position us well for the upcoming summer season and beyond."

Importantly, the new 70-Ah battery is fully compatible with existing Sea LiON systems already in the field, allowing current owners to upgrade and benefit from increased runtime without replacing their existing equipment.

The expanded product lineup comes amid growing customer demand for battery-powered diving solutions. Brownie’s reports increasing interest from recreational boaters, yacht owners, waterfront property owners, and commercial users seeking a cleaner, quieter, and lower-maintenance alternative to traditional gasoline-powered systems.

The company also recently completed a dealer stocking initiative designed to help its growing dealer network prepare for the summer boating season. The program has resulted in increased dealer inventory levels and improved product availability across key markets, positioning dealers to better serve customers during peak demand periods.

For people who prefer the ultimate convenience, the Sea LiON series is the best choice, but for those working within a tighter budget Brownie’s Third Lung has 3 options of gasoline-powered systems at lower price points. The systems are designed for underwater exploration, hull cleaning, marine maintenance, treasure hunting, lobster diving, and a wide range of recreational and light-commercial applications.

The addition of the Sea LiON Sport and enhanced battery technology reflects Brownie’s continued commitment to innovation and leadership in battery-powered diving systems.

About Brownie’s Marine Group

Brownie’s Marine Group, Inc. (OTC: BWMG) is a leading developer, manufacturer, and distributor of innovative recreational diving, marine mobility, and water-sports products. Through its portfolio of brands, including Brownie’s Third Lung®, BLU3®, Submersible Systems®, L&W Americas®, and Live Blue™, the Company develops products that make underwater exploration safer, easier, and more accessible for consumers and professionals worldwide.

For additional information, visit BrowniesMarineGroup.com.

Forward-Looking Statements

This press release contains forward-looking statements that involve risks and uncertainties. Actual results may differ materially from those projected. Brownie’s Marine Group undertakes no obligation to update forward-looking statements except as required by applicable law.

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