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Southwest Electronic Energy Group

  • battery products
  • battery technology
  • monitoring software



823 Buffalo Run
Missouri City TX 77489

Southwest Electronic Energy (SWE) innovates, designs and manufactures a full range of battery solutions for subsea vehicles, marine buoys, downhole oil and gas, pipeline inspection and remote applications. Battery packs are custom designed with optimized power to meet our customer's unique specifications. This includes our 20 years of ruggedized Lithium battery products and 13 years of Lithium Ion battery products. SWE holds over 10 patents for our Li Ion Battery Management System with more pending. We also provide monitoring software, battery gauges plus full custom battery solution design and analysis services. SWE is headquartered near Houston with over 65,000 square feet of state of the art battery technology R&D and ISO 9001 certified manufacturing. Since 1964 our focus at SWE has been on quality, reliability and exceptional customer service in every facet of our business.


SWE has changed the game in subsea and oceanographic applications with SWE SeaSafe®, a lithium-ion battery solution which powers subsea vehicles, control systems and oceanographic equipment safer and longer with 4X the energy of a sealed lead acid battery. Pressure tolerant to 6000m, SeaSafe batteries include SWE’s patented battery management system, POW-R BMS®. The BMS has the brainpower to assure safe operation, protect the module’s cells from damage, allow reliable distributed battery system architecture, and prolong battery life. Rechargeable with a standard power supply, SeaSafe Smart modules are easy to use battery building blocks for customers to integrate in their own oil filled pressure equalization enclosures. Modules can be connected in series or parallel to meet voltage and capacity (Ah) needs. The SWE SeaSafe® pressure equalizing battery case holds four smart battery modules with systems configured-to-order based on V/Ah requirements. Each smart module is autonomo

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