7.2V 4200mAh Ultra-Low Temp Li-ion 21700 Battery

Polar Research Equipment Power Solution

Designed for extreme cold environments, this 7.2V 4200mAh Li-ion battery powers scientific instruments, data loggers, and sensor arrays in Polar research. Its -40°C operating capability ensures reliable performance in sub-zero conditions, critical for long-term field studies.

Frigid Zone Rescue Gear Energy Source

Ideal for emergency beacons, portable heaters, and communication devices in frigid zone rescue missions. The battery’s ultra-low temperature resilience (-40°C) and fast-charging support enable rapid deployment in life-saving scenarios.

Cold Zone Industrial & Medical Devices

Optimized for low-temperature industrial tools, outdoor sensors, and medical equipment (e.g., defibrillators) in cold climates. The 21700 cell design ensures stable energy output even during prolonged use in harsh conditions.

Ưu điểm kỹ thuật

• Ultra-Low Temperature Resilience: Operates reliably at -40°C, outperforming standard Li-ion batteries.
• High-Capacity & Fast Charging: 4200mAh capacity with 8.4A max charge current for rapid energy replenishment.
• BMS Protection: Built-in safety management for overcharge/discharge protection (customizable upon request).
• Lightweight & Compact: 150g weight and 46x90x25mm dimensions for easy integration into portable devices.
• Long Cycle Life: 500 cycles at 25°C with 80% capacity retention, ensuring cost-effective long-term use.

Why Choose This Battery?

• Extreme Environment Reliability: Engineered for Arctic research, rescue missions, and cold-zone industrial applications.
• Optimized Energy Density: 535 Wh/l volumetric density ensures high power in minimal space.
• Durable Performance: Withstands high discharge currents (45A continuous) for power-intensive equipment.
• Lower Self-Discharge: Maintains charge during storage, critical for emergency backup systems.