Built In Air Systems Powered by DC

Build a Brownie’s Integrated Air System directly into your boat and connect to your own battery power.  Brownie’s offers a variety of options to accommodate every boat from a small tender to a super yacht!  The more battery power you provide, the more FUN you will have!

DC Powered Systems

Our incredible DC Powered BIAS System have been redesigned for performance and durability to fit all your needs, our DC Powered Battery Operated Systems (BIASS) come in three options: BIAS 1, BIAS 2, and BIAS 3.

Choose the option that best fits your needs.


Designed for smaller vessels in mind that do not have a lot of battery power, this system has only a small enough footprint that it can fit under your seat.  Brownie’s supplies the compressor, you supply the battery source.


Designed for mid-sized: With a programmed 90+ minutes of run time, the BOS 2 then recharges off your batteries alternator while your vessel is running for continuous diving day after day.


The ultimate built-in diving machine! Built-in with 3 hours of run time is the largest of the BIAS system with the longest run time and diver capacity.  Whether your group is serious about diving or just loves the extra time underwater, this system is the workhorse of all our battery powered systems.

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