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High-Capacity Deepwater Lithium-Ion Battery

High-Capacity Deepwater Lithium-Ion Battery

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Cell Chemistry: Lithium-Ion
Nominal Voltage: 25.9V
Capacity: 600 Ah
Internal Resistance: < 300 mΩ
Modules: 5 modules per battery
Temperature Sensors: 5 (1 Internal MOS, 4 Battery Pack) (Range: -40°C to +125°C)
Humidity Sensor: 1 (HDC3021QDEHRQ1) (Range: 0–100% RH)
Communication: RS485, Isolated CAN - Customizable
Charging Voltage: 29.4 V
Float Voltage: 28 V
Max Charge Current: 10 A (Recommended: 15A)
Charge Temp Range: -20°C to 45°C (with Heater Kit)
Casing: Aluminum
Discharging Voltage Range: 19.25 – 29.75V
Cut-off Voltage: 19.25V
Recommended Current: 100A
Max Current: 300A (Pulse: 3000A)
Discharge Temp: -20°C to 50°C
Dimensions: 360×360 mm
Weight: > 82kg without titanium casing
Fasteners: M6 SS 304
Underwater Pressure Rating: Maximum 11000 Bar with Titanium casing

Description of the Product

The Low Capacity Underwater Battery is a rugged lithium-ion power solution designed for subsea operations where reliability and endurance are essential. Delivering 25.9 V and 600 Ah, it provides consistent performance for underwater vehicles, instrumentation, and offshore systems. Built with a robust aluminum casing capable of withstanding 11000 bar pressure, it ensures durability in extreme underwater environments. With a wide operating temperature range and advanced communication via RS485 and isolated CAN, this battery is well-suited for demanding marine applications where high power output and resilience are required.
Note: This product is fully customizable to match your unique requirements — including voltage, capacity, application type, design specifications, shape, and size. Reach out to us to build a solution tailored specifically for your equipment or vehicle.