Bộ pin Li-ion 21700 7.2V 9Ah nhiệt độ cực thấp dành cho thiết bị thám hiểm vùng cực và Bắc Cực

  • 9000mAh capacity with 2S2P 21700 cell configuration
  • Ultra-wide temperature range (-40°C to 55°C)
  • Compact design (48×155×24mm) & lightweight (300g)
  • Fast charging (1.5hrs) & low self-discharge (<3%/month)
  • Customizable connectors (X.54/P.54/DC5521)
  • 500+ cycles @25°C with ≤80% capacity retention

Đặc điểm kỹ thuật

Tham số Battery Cell
Điện áp danh định 7,2V 3.6V (21700)
Dung tích 9Ah (9000mAh) 4500mAh
Max Discharge Current 45A (@45°C cutoff)
Charge Temperature 0°C–60°C 0°C–60°C
Discharge Temperature -40°C–55°C -40°C–60°C
Energy Density (Gravimetric) 242 Wh/kg 242 Wh/kg
Chu kỳ cuộc sống 500 cycles (@25°C) Không có
Kích thước 48×155×24mm 21×70mm (21700)

Ứng dụng

Polar Research & Scientific Exploration

Designed for extreme cold environments, this battery powers instruments like temperature sensors, GPS trackers, and autonomous drones in Arctic/Antarctic expeditions. Its -40°C discharge stability ensures reliable operation in subzero conditions for glacial studies and climate monitoring.

Frigid Zone Emergency Rescue Systems

Ideal for portable medical devices, communication gear, and thermal imaging tools used in snowstorms or avalanche rescues. Maintains 80% capacity at -40°C to support uninterrupted emergency operations.

Low-Temperature Industrial Monitoring

Optimized for remote sensors, pipeline inspection robots, and telemetry systems in oil/gas fields or cryogenic storage facilities. Operates reliably in -40°C to 55°C ranges for 24/7 data collection.

Arctic Robotics & Drones

Enables extended flight times for UAVs mapping icy terrains or delivering supplies. Combines lightweight design (300g) with high gravimetric energy density (242 Wh/kg) for agile cold-zone robotics.

Cold-Chain Logistics & Storage

Supports temperature-sensitive cargo tracking in refrigerated trucks or shipping containers. Low self-discharge (<3% monthly) ensures long-term reliability for IoT devices in cold-chain monitoring.

Ưu điểm kỹ thuật

  1. Ultra-Low Temperature Resilience: Delivers >80% capacity at -40°C (0.2C discharge), outperforming standard Li-ion batteries.
  2. Wide Operational Range: Functions seamlessly from -40°C to 55°C, ideal for extreme environments.
  3. Rapid Charging: Achieves full charge in 1.5 hours with 0.5C current, minimizing downtime.
  4. Tăng cường an toàn: Integrated BMS protects against overcharge, short circuits, and thermal runaway.

Why Choose This Battery?

This battery leverages advanced low-temperature electrolyte technology Và high-density 21700 cells to outperform competitors in extreme cold. Its compact size and modular BMS enable seamless integration into mission-critical devices, while CE/ROHS certifications ensure compliance with international safety standards. For full technical documentation or OEM customization, refer to the original specifications.

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