Corvus Energy Storage System Sets New Standard in Industrial Lithium Ion Safety

Rigorous testing over several years proves that heavy offshore machinery will maintain power and safety during operations using Corvus Energy's ESS.

RICHMOND, B.C. (June 24, 2014) Corvus Energy today announced the approval by DNV GL, Lloyd's Register, and American Bureau of Shipping (ABS) for the award winning Corvus Energy Storage System (ESS).

DNV GL, Lloyd's Register and ABS assessed the AT6500 module according to the applicable international standards and specifications.

Independent accredited laboratories stress tested the Corvus system in a variety of ways to replicate the extreme environmental conditions the system may encounter in a commercial marine application. Rigorous testing over several years proves that heavy offshore machinery will maintain power and safety during operations using Corvus Energy's ESS.

Designed and built to handle the world's most extreme duty conditions (a commercial marine engine room), the heavy-duty batteries made by Corvus Energy are up to 10 times more powerful than lead-acid batteries and significantly more powerful than current alternative lithium competitors. The system can operate from - 40 to 60 degrees Celsius, withstand shocks of 30 G, and continuous vibration of 8 G.

"Through the extensive testing and DNV Type Approval, the Lithium-ion-battery Power System shows it is comprehensive and robust, and truly worthy to be the first one type approved by DNV GL," said DNV GL's Nick Roper, Manager of District Pacific, and Maritime North America. "Not only does the Corvus lithium energy storage system work as intended in marine and offshore applications, it has the ability to be of value in a variety of heavy industrial uses."

"Customers have been impressed by the robust quality exhibited by our product and the technical expertise of our engineers," said Chris Kruger, Vice President Engineering, Corvus Energy. "DNV GL, Lloyd's and ABS approval will provide industry-wide confidence in the next generation of batteries."

Certification and Type Approval is a nod to industry that Corvus Energy is the battery to use in industrial applications. The end user can trust that a Corvus Energy system not only meets or exceeds all incorporated standards that exist today, but also that these standards are being written specifically for lithium batteries for use in commercial marine applications. The testing that has been validated by DNV GL, Lloyds and ABS these past few years means that Corvus Energy technology has become the standard by which all other commercial marine lithium batteries are judged.

"Lloyd's Register is pleased to provide Type Approval for Corvus Energy's lithium polymer battery," said Bud Streeter, vice president of Lloyd's Register North America, Inc. and marine manager for Canada. "As an unbiased, third-party organization, we verify that Corvus Energy's AT6500 module conforms to the producer's specification, to national and international standards, and that an appropriate level of product safety is achieved."

The technology is already being adopted by the industry, having been proven strong enough to be used as the only source of power for a newly commissioned battery powered ferry, Folgefonn, operating in Norway. Offshore supply vessels, such as Eidesvik's Viking Lady and the stensj, Edda Ferd and several large Scandlines passenger ferries use the Corvus ESS to reduce or eliminate inefficient low-load engine operation and provide full spinning reserve capabilities. For more information about the Type Approval certification of Corvus energy batteries, or to view the actual Type Approval certificates, please visit

Corvus' website at

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