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21700 43.2V 4Ah Li-ion Battery Pack for Special Underwater Equipment

21700 43.2V 4Ah Li – ion Battery Pack for Special Underwater Equipment: 4000mAh capacity, – 20~55℃ tolerance. Powers ROVs, underwater drones—deep – sea – grade reliability.

  • Nominal Voltage:43.2V
  • Rated Capacity:4000mAh
  • Dimension:145×78×63mm
  • Charge Voltage:50.4V
  • Charge Current:2A
  • Discharge Current:10A
  • Discharge Cut-off Voltage:30V
  • Weight:1150g
  • Operating Temperature:-20~55℃
  • Application:Underwater equipment

21700 43.2V 4Ah Li – ion Battery Pack for Special Underwater Equipment | Deep – Sea Power for Submersible Robotics

Introduction

Engineered for extreme submersible missions, the 21700 43.2V 4Ah Li – ion Battery Pack for Special Underwater Equipment delivers high – pressure resilience, 4000mAh endurance, and 43.2V stable power. As a critical Battery Pack for Special Underwater Equipment, it integrates 21700 cells, multi – layer safety, and wide temp tolerance—ideal for ROVs, underwater drones, and deep – sea exploration systems.

 

Core Specifications

Parameter 21700 Li – ion Battery Pack for Special Underwater Equipment Standard Li – ion  Underwater Equipment Impact
Nominal Voltage 43.2V 48V Matches Battery Pack for Special Underwater Equipment power needs
Rated Capacity 4000mAh 3000mAh Powers 6 + hours of submersible ops
Battery Type 21700 Li – ion Generic Li – ion High – energy density for compact underwater bots
Operating Temperature – 20~55℃ 0~40℃ Withstands deep – sea cold, surface warmth
Application Special underwater equipment General use Specialized for Underwater Robot Battery use

Why This Battery Pack Dominates Underwater Missions

1. High – Pressure Power for Submersibles

The 43.2V 4Ah Li – ion Battery Pack for Special Underwater Equipment ensures:
  • “43.2V Stable Output: Drives ROV thrusters, sonar systems, and underwater camera arrays.”
  • “4000mAh Capacity: Runs underwater drones to map 5 + km seabeds per charge—no mid – mission stops.”

2. Deep – Sea – Grade Durability

With 21700 cells and – 20~55℃ operation:
  • “Pressure – Resistant Casing: Survives 100 + m depth pressure, protecting battery and submersible bots.”
  • “Corrosion – Proof Design: Resists saltwater, humidity in marine environments—no battery degradation.”

3. Multi – Layer Safety for Marine Operations

Integrated protections (short – circuit, overcharge) provide:
  • “Underwater – Critical Safety: Prevents electrical faults during deep – sea exploration—zero risk to equipment.”
  • “Reliable Cycle Life: Maintains 80% capacity after 500 + cycles—low maintenance for research vessels.”

Application Scenarios

1. Remotely Operated Vehicles (ROVs)

The Li – ion Battery Pack for Special Underwater Equipment powers:
  • “Industrial ROVs: 43.2V output supports pipeline inspection, underwater welding in offshore rigs.”
  • “Research Drones: 4000mAh capacity enables 4 + hours of marine biology sampling, deep – sea mapping.”

2. Autonomous Underwater Vehicles (AUVs)

For oceanographic missions:
  • “Survey AUVs: Stable 43.2V power ensures 3D seabed scanning, temperature – salinity profiling.”
  • “Military Submersibles: Operates at – 20℃ in Arctic seas, 55℃ in tropical reefs—no performance loss.”

Battery Pack for Special Underwater Equipment

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