Page 49: of Marine Technology Magazine (July 2019)
MTR White Papers: Hydrographic
Southwest Electronic Energy Corp., an Ultralife Company
Houston, Texas, Michael D. Popielec, CEO
No. of Employees : 70, www.swe.com
SWE has pioneered underwater lith- battery system to meet the intense power lifetime. ium-ion battery solutions that power needs of a customer’s next-generation SeaSafe units are powered by large subsea vehicles, control systems and subsea infrastructure. This subsea vali- lithium-ion polymer cells specially en- oceanographic equipment more safely dation lays the foundation to meet the gineered into modules to provide 30V and longer than sealed lead acid batter- projected needs for subsea infrastruc- at 28Ah or other size options. They can ies. SWE’s battery solutions also deliver ture electri? cation. SWE recently joined operate in water depths to 6,000 meters, up to four times the energy, and its bat- the Ultralife Corporation family, which and multiple SeaSafe batteries can be teries have a built-in patented battery provides long-lasting, rugged and reli- hooked together to meet the voltage and management system so operators can able batteries for the defense, medical, power needs of various applications. The monitor the system’s health. Because of robotics and security sectors. SWE will batteries have been used in short-dura- the reliability, ef? ciency and inherently continue to offer its existing product tion, high-power demand applications safe design of the SeaSafe suite of solu- range to support OEMs for the oil & gas, and long-duration, low-power demand tions, OEMs routinely specify and install remote ? eld applications and subsea sec- situations.
SeaSafe, SeaSafe II and SeaSafe-Direct tors. Applications include AUVs for propul- batteries. When SWE sets its sights on As it stands, SWE’s line of SeaSafe bat- sion, control, and instrumentation; in re- improving battery technology, it focus tery packs can deliver four times longer motely located infrastructure equipment eson increasing safety, reducing the mission run time and six times longer for valve control and pipe shearing; and equipment’s total cost of power, reduc- battery life time than compared to tradi- in oceanography sensing set-ups such as ing the time needed to swap out battery tional sealed-lead batteries. Because of for monitoring the salinity and tempera- packs, and increasing the amount of run- the purchase, SWE will be able to devote ture of ocean water over time. time the equipment achieves from a bat- additional resources to R&D efforts, in- These smart batteries can track and re- tery pack. That mindset has served the cluding those aimed at delivering superi- port the status of the batteries via SWE’s oil and gas, oceanographic and military or performance, safety and reliability in patented Battery Management System. industries well since SWE entered busi- subsea battery solutions for increasingly The SeaSafe Direct can be placed di- ness in 1964. SWE has built lithium bat- demanding applications. rectly into the water without requiring tery packs for 25 years and lithium-ion a pressure vessel, and the direct-in-the- batteries for 16 years. SWE holds 10 pat- The Tech water use is fast-growing in popularity. ents on lithium-ion batteries. SeaSafe subsea batteries are one-quar- Both SeaSafe II and SeaSafe Direct are
Earlier this year, SWE validated its ter the weight of traditional sealed lead ABS certi? ed in various voltage size
SeaSafe II battery module in a 629 volt acid batteries and offer a longer service con? gurations.
Marine Technology Reporter 49
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