3.6V 8400mAh Li-ion Battery for Extreme Cold Environments (-40°C Operation)

  • Ultra-low temperature performance (-40°C)
  • 8400mAh high-capacity output
  • 0.5C fast charging capability
  • 500-cycle lifespan at 25°C
  • Lightweight design (150g)
  • BMS safety protection

Specification

Parameter Value
Battery Specifications
Rated Capacity 8400mAh (8.4Ah)
Nominal Voltage 3.6V
Max Charge Current 0.5C (4.2A)
Dimensions 46mm x 90mm x 25mm
Weight 150g
Operating Temperature -40°C to +55°C
Cycle Life 500 cycles (80% capacity retention)
Connector Options X.54, P.54, DC5521, Custom
Cell Specifications
Cell Capacity 4200mAh (minimum 4000mAh)
Nominal Voltage 3.6V
Max Continuous Discharge 45A (reduced lifespan at high rates)
Charge Voltage 4.20V ±0.05V
Impedance <15mΩ (AC 1kHz)
Energy Density (Volumetric) 535 Wh/L
Energy Density (Gravimetric) 190 Wh/kg

Application

Polar Research Equipment

Ideal for powering sensors, data loggers, and communication devices in Arctic/Antarctic expeditions. Ensures stable energy supply for long-term climate monitoring in sub-zero conditions.

Frigid Zone Rescue Gear

Reliable power source for emergency beacons, GPS trackers, and thermal imaging devices used in avalanche or blizzard rescue missions. Operates flawlessly in -40°C environments.

Low-Temperature Industrial Tools

Supports machinery like cold-storage IoT devices, pipeline inspection robots, and remote telemetry units in oil/gas operations across Siberia, Alaska, and other freezing regions.

Technical Advantages

  • Ultra-Low Temp Operation: Maintains 80% capacity at -40°C for energy-intensive applications.
  • High-Capacity Endurance: 8400mAh delivers extended runtime for devices in remote, unheated environments.
  • Fast Charging Compatibility: 0.5C charge rate reduces downtime during critical missions.
  • Wide Operating Range: Functions from -40°C to 55°C, adaptable to sudden temperature shifts.
  • Low Self-Discharge: Loses <3% charge monthly, ensuring readiness after long-term storage.

Why Choose This Battery?

  • Engineered for mission-critical reliability in extreme cold, with BMS protection against overcharge, short circuits, and thermal runaway.
  • Customizable connectors (X.54, P.54, DC5521) ensure compatibility with specialized low-temperature equipment.
  • High energy density (535 Wh/L) maximizes power in compact dimensions (46x90x25mm).
  • Proven cycle life: 500 cycles at 25°C with minimal capacity loss, reducing replacement costs.
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