Brownie's Third Lung Sea Lion™ 3+ Hours Battery System

A Battery-Powered Third Lung™ that performs like our gas systems.

The Sea Lion™ can run for over 3 hours+ with a 2-4 diver capacity .
Three divers, over three hours, one battery.
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The all new SEA LION By Brownie’s Third Lung™

Key Features:
  • Maximum run time of over 3+ hours / minimum about 2
  • Easy swap lithium ion battery with spring loaded contacts
    ​ – no plug connectors
  • Variable speed algorithm – runs based on diver demands,
    shuts off when not used
  • Maximum depth selector for higher efficiency modes
  • Battery level indicator
  • 58 lbs in pan without lid
  • 2 divers to 65 ft and 3 divers to 35 ft and 4 dives to 15-20 ft*
    ​(with the purchase of the add-a-diver kit*)
  • ​Dimensions: LxWxH (inches) in pan without lid = 24x16x13 in
The Sea Lion has the performance of the gasoline powered system - Without the fuel!
FIRST  and ONLY in it's Class!  The NEW SEA LION has no competition! 
The Sea Lion is THE leader in:
-3 Hour + Battery Powered Diving System
-Variable Speed Technology
- ANY Battery powered system that supports 3 diver
-ANY Battery powered system that supports 4 divers!

Innovation in lithium ion battery technology has advanced to the point where Brownie’s could modify its current system to adopt the lighter, more powerful lithium ion batteries. The Sea Lion has a run time of over three hours and weighs 40% less than its predecessor, the VS265 Third Lung. Furthermore, the new Sea Lion model will be cost competitive,
hitting the market with a $5,995 price point.

Ideal for Resorts and Charters as a Superior Diving Choice that is Safe and Eco Friendly. 

Max Depth Selector

​The dial at the top of the system allows you to select your maximum dive depth for a longer run time when used at a smaller depth setting.
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Choose between 15 , 25 and 65 feet. When the system is switched on, the compressor will pulse on startup to confirm which option has been selected.

The final product may have more options.
One pulse: 15 feet        Two pulses: 25 feet    Three pulses: 65 feet

Unique Features of Sea Lion  

The Sea Lion has a sturdy handle located mid range between the compressor and battery compartment that allows easy single handed deployment of the system from a boat to the water.
​The Volt Meter Display allows you to see the battery charge when looking up from the water while you dive.
As easy as a push of a button allows you to open the battery compartment for a quick change out battery.
Complete system package inludes a 24 Volt, 63.8 Amp-hour (1531 Watt-hour) lithium ion battery pack with a 110v/220v charger.  Batteries voltage reading can be seen from the divers point of view at teh surface.
The Sea Lion Diving System utalizes a highly visable dive flag atop our air intake staff and a customized boat tube that allows the system a low center of gravity of optimal stability.
“Same as gas is what we’ve been striving for here. We’ve wanted so deeply to bring out a system that runs as long and as hard as our conventional gas models. It’s 2020 and the technology we needed has finally arrived.”
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– Robert Carmichael, CEO Brownie's Marine Group