3.6V 18Ah Ultra-Low Temp Lithium-Ion Battery for Polar & Rescue Gear

  • Ultra-low temperature operation (-40°C)
  • 18Ah high capacity & 3.6V stable output
  • Fast 1.5-hour charging capability
  • Lightweight (300g) & compact design (24x90x80mm)
  • Built-in BMS for safety & longevity
  • Wide operating range (-40°C to 55°C)
  • 500+ cycle lifespan

Specification

Parameter Battery Specification Cell Specification
Rated Capacity 18Ah 4500mAh (per cell)
Rated Voltage 3.6V 3.6V (2S3P configuration)
Max Charge Current 0.2–0.5C 1.5A standard
Max Discharge Current 45A (45°C cutoff) 45A continuous
Cycle Life 500+ cycles (25°C) N/A
Operating Temp Range -40°C to 55°C Charge: 0°C–60°C / Discharge: -40°C–60°C
Energy Density N/A 643 Wh/l (volumetric), 242 Wh/kg
Dimensions 24x90x80mm 21700 cylindrical cell
Weight 300g 70g (per cell)
Connector Options X.54, P.54, DC5521, Custom N/A

Application

Polar Research Equipment Power Solution

Ideal for powering scientific instruments, data loggers, and sensors in extreme cold environments (-40°C to 55°C). Ensures uninterrupted operation during Arctic/Antarctic expeditions, ice-core sampling, and climate monitoring.

Frigid Zone Rescue & Emergency Systems

Reliable energy source for emergency beacons, GPS devices, and thermal imaging tools in sub-zero conditions. Supports critical operations in avalanche rescues, mountain expeditions, and disaster response.

Cold Zone Industrial & IoT Devices

Optimized for low-temperature industrial sensors, remote communication systems, and unmanned equipment in cold storage, oil/gas pipelines, and tundra infrastructure.

Technical Advantages

  • Ultra-Low Temperature Performance: Operates reliably at -40°C, ensuring stable power in extreme cold.
  • Advanced BMS Protection: Overcharge/discharge, short-circuit, and temperature safeguards.
  • High Energy Density: 242 Wh/kg for compact, lightweight design (300g).
  • Fast Charging: 1.5-hour standard charge time with 0.2–0.5C input.
  • Long Cycle Life: 500+ cycles at 25°C for reduced long-term costs.

Why Choose This Battery?

Outperforms traditional lead-acid batteries with 5x lighter weight2x faster charging, and 3x wider temperature tolerance. Engineered for mission-critical cold-environment applications, it minimizes downtime and returns with military-grade durability.

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