500Ah Heavy-Duty Subsea Lithium-Ion Battery
Cell Chemistry:
Lithium-Ion
Nominal Voltage:
25.4 V
Capacity:
500 Ah
Internal Resistance:
< 300 mΩ
Modules:
4 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:
25 V
Max Charge Current:
100 A (Recommended: 50 A)
Charge Temp Range:
-20°C to 45°C (with Heater Kit)
Casing:
Aluminum
Weight:
> 82 kg without titanium casing
Discharging Voltage Range:
20.0 – 28.8 V
Cut-off Voltage:
20.0 V
Recommended Current:
80 A
Max Current:
500 A (Pulse: 600 A)
Discharge Temp:
-20°C to 50°C
Dimensions:
340 × 340 mm
Fasteners:
M6 SS 304
Underwater Pressure Rating:
Maximum 11000 Bar with Titanium casing
Description of the Product
The Underwater Battery is a robust lithium-ion energy system engineered for deep-sea and marine applications, including ROVs, submersibles, and offshore equipment. With a 24 V output and a 500 Ah capacity, it delivers long-lasting, stable power even under high-pressure underwater conditions. Encased in durable aluminum capable of withstanding 11000 bar pressure and fitted with stainless steel fasteners, it ensures exceptional durability and corrosion resistance. Designed to operate within a wide temperature range and equipped with RS485 and isolated CAN communication, this battery offers dependable performance for critical underwater missions where reliability and endurance are paramount.
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.