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Marine batteries as energy storage and power supply for propulsion significantly reduce fuel consumption, maintenance costs and emissions. With improved capacity-to-weight ratio from lithium-ion technology and growing demand for lower emissions, batteries have become an ever-increasingly attractive option for the large-scale supply of energy in the maritime sector.
COBRA Offer Request Form (PDF, 0.8 MB)
COBRA is an advanced and DNV type approved battery system employing inherently safe lithium iron phosphate (LFP) cell technology and taking the special requirements of maritime operation and classification into account. Any scale of power storage is available by freely configuring modular units in standardised racks of up to 1,000 V DC including efficient water or air-cooling and a battery management system. The COBRA Battery System is type approved by DNV and complies with the European Standard of Technical Requirements for Inland Navigation Vessels (ESTRIN).
The Compact Battery Racks are being assembled and tested in their own newly built production facility near the Hamburg headquarters of Becker Marine Systems.
COBRA provides a robust and reliable modular battery design with battery racks of up to 94 kWh and 1,000 V DC. A battery cluster with up to 10 battery racks and one control cabinet provides a capacity of 940 kWh at a length of fewer than 5.3 meters. That makes COBRA the most compact battery system on the maritime market. The COBRA system is freely scalable from a few kWh to several MWh by adding as many battery racks or clusters as required.
High-quality and inherently safe LFP battery cells do not catch fire in case of thermal runaway, overcharge, short-circuit or mechanical damage. Combined with permanent monitoring by its battery management system (BMS) on cell, module and on rack level, COBRA guarantees the highest standards for safety with no propagation from cell to cell.
Furthermore, lithium iron phosphate (LFP) is the only chemistry used in Li-Ion batteries that occurs in its chemical composition as a natural mineral. Compared to others, such as NMC or NCA, LFP comes without the heavy-metal cobalt, making our COBRA System an environmentally friendly and green battery solution.