SUBSEA BATTERY
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Catalog excerpts

SUBSEA BATTERY - 1

1.5 kWh Subsea Battery Bluefin’s 1.5 kWh Subsea Battery is a pressure-tolerant lithium-polymer battery that provides a reliable, high-energydensity power solution for underwater systems. The battery electronics include built-in protection, monitoring, power control, and battery conditioning. Leveraging over a decade of battery development and with hundreds of units in the field, the 1.5 kWh Subsea Battery has demonstrated utility across a variety of underwater applications. FULLY SUBMERSIBLE – The 1.5 kWh Subsea Battery is designed for direct submergence in water in any orientation, eliminating the need for a pressure vessel. HIGH ENERGY DENSITY – The lithium-polymer chemistry provides extremely high energy density while still maintaining good cycle life and performance, which are desirable for subsea applications. SWAPPABLE – The design of the 1.5 kWh Subsea Battery allows a user to quickly replace a discharged battery with a charged one without ever opening a pressure vessel. This enables rapid turnaround of submersible equipment in the field. Batteries can be rapidly swapped in the field Applications RECHARGEABLE – With the fully automated charging Autonomous Underwater Vehicles (AUVs) system, full battery recharge can be accomplished in Remotely Operated Vehicles (ROVs) six hours or less. Profilers Buoys Submersible Systems 553 South Street Quincy, Massachusetts 02169 USA +1.617.715.7000 www.bluefinrobotics.com

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SUBSEA BATTERY - 2

1.5 kWh Subsea Battery Dimensions (L x W x H) Weight (Dry) Displacement 15.1 x 5.2 x 8.2 in (38.4 x 13.3 x 21 cm) 31.5 lb (14.3 kg) 8.12 liters Depth Rating 6,000 m Energy 1.5 kWh Voltage (Nominal) 30 V Capacity (Nominal) 48 Ah Cycle Life* Discharge Current Discharge Temperature Charge Current Charge Temperature 300-500 cycles to better than 80% depending on actual conditions Ships via UN-certified container for ground, sea or air transport 10 A nominal 30 A maximum -20 to 48° C 12 A nominal 15 A maximum 0 to 48° C Typical discharge profile for 1.5 kWh Subsea Battery *Cycle life is based on...

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