High-Capacity 10.8V 8.4Ah 18650 Li-ion Battery for Ultra-Low Temp Applications

  • Ultra-Low Temperature Operation: Functions reliably from -40°C to 55°C, perfect for polar/extreme environments.
  • High Energy Density: Delivers 220 Wh/kg gravimetric density for extended runtime in compact devices.
  • Sạc nhanh: Supports 0.2–0.5C charge rates (1.68A–4.2A) with BMS overcharge/overdischarge protection.
  • Customizable Design: Flexible connectors (XH2.54/PH2.54/DC5521) and modular sizing for diverse applications.
  • Long Lifespan500 chu kỳ at 25°C with minimal self-discharge (<3% monthly at 35°C storage).

Đặc điểm kỹ thuật

Tham số Battery Specification Cell Specification
Rated Capacity 8.4Ah (8400mAh) 2800mAh (typical)
Điện áp danh định 10.8V (3S3P configuration) 3,6V
Dòng điện sạc tối đa 4.2A (0.5C) 6A
Discharge Cut-off Voltage 7.5V 2.5V per cell
Kích thước 65×80×65mm (customizable) Standard 18650 cylindrical
Weight 480g 48.5g per cell (approx.)
Operating Temperature -40°C to 55°C -20°C đến 60°C
Chu kỳ cuộc sống 500 cycles (80% capacity retention) 500+ cycles (3.6V nominal)

Ứng dụng

Polar Research & Arctic Exploration

Engineered for extreme cold environments, this battery powers critical polar research equipment such as ice-core drills, thermal imaging systems, and portable weather stations. Its ultra-low temperature resilience (-40°C operation) ensures uninterrupted energy supply for scientific data collection in Arctic and Antarctic expeditions.

Frigid Zone Rescue & Emergency Response

Optimized for cold-zone rescue missions, it supports avalanche transceivers, hypothermia treatment devices, and emergency communication units. The fast-charging capability (0.5C max charge current) and integrated BMS enable rapid deployment in life-saving operations under sub-zero conditions.

Low-Temperature Industrial Sensors & Drones

Ideal for drones and IoT sensors in cold-chain logistics, permafrost monitoring, and oil/gas pipeline inspections. The compact size (65×80×65mm) and lightweight design (480g) enhance portability for aerial and fixed installations in extreme climates.

Outdoor Survival & Expedition Gear

Powers high-drain devices like heated clothing, GPS trackers, and LED floodlights for mountaineering or winter camping. With a volumetric energy density of 610 Wh/l, it extends runtime for energy-intensive equipment in remote-Low Temperature environments.

Medical & Military Cold-Environment Systems

Certified for CE/RoHS/UN38.3 compliance, this battery meets safety standards for medical defibrillators, night-vision devices, and military communication systems. Its 500-cycle lifespan guarantees reliability for mission-critical operations in harsh conditions.

Ưu điểm kỹ thuật

Crafted with advanced lithium-ion technology, this 10.8V 8.4Ah battery outperforms traditional lead-acid alternatives with 35A max discharge current Và 20mΩ internal resistance for high-power demands. Its 3S3P configuration (nine 18650 cells) ensures stable voltage and capacity, while the wide operating temperature range (-40°C to 55°C) makes it indispensable for cold-zone applications.

Why Choose This Battery?

  • BMS Protection: Built-in Battery Management System safeguards against overcharge, overdischarge, and short circuits.
  • Low Self-Discharge: Loses <3% charge monthly, ideal for seasonal or emergency-use equipment.
  • Customization: Tailored connectors, sizes, and safety features available for specialized projects.

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