7.2V 9Ah 21700 Li-ion Ultra-Low Temp Battery
- -40°C to 55°C operational range
- 9Ah high capacity with 7.2V output
- BMS protection (overcharge/discharge, short-circuit)
- 21700 cell structure for enhanced energy density
- Lightweight (300g) and flexible connector options (XH2.54, DC5521)
Specification
| Parameter | Details |
|---|---|
| Rated Capacity | 9000mAh (9Ah) |
| Nominal Voltage | 7.2V |
| Dimensions | 26mm × 290mm |
| Weight | 300g |
| Operating Temp | -40°C to 55°C (charge: 0°C~60°C) |
| Cycle Life | 500 cycles (at 25°C) |
| Safety Features | BMS, customizable protection |
| Connector Options | XH2.54, PH2.54, DC5521, or custom |
Application
Polar Research Equipment Power Supply
Ideal for powering scientific instruments, weather sensors, and communication devices in extreme cold (-40°C). Supports long-duration expeditions with 9000mAh capacity and low self-discharge, ensuring reliable energy for GPS trackers, thermal cameras, and ice-drilling tools.Frigid Zone Emergency Rescue Systems
Enables uninterrupted operation of portable medical devices, heated survival gear, and drones in subzero environments. The BMS protection and -40°C discharge capability ensure safety for life-saving equipment like defibrillators and emergency lighting.Low-Temperature Industrial Automation
Optimized for robotics, automated sensors, and remote monitoring systems in cold storage, Arctic logistics, and oil/gas pipelines. Combines fast charging (0.5C rate) with wide operating range (-40°C~55°C) to reduce downtime in harsh conditions.Technical Advantages
- Ultra-Low Temperature Resilience: Operates reliably at -40°C, outperforming standard Li-ion batteries limited to -20°C.
- High Energy Density: 242 Wh/kg gravimetric density for compact, lightweight designs in portable gear.
- Deep-Cycle Durability: 500+ cycles at 25°C, extending lifespan in repetitive use scenarios like polar expeditions.
- Rapid Recharge: 1.5-hour standard charging time minimizes downtime for critical missions.
Why Choose This Battery?
- Reliability in Extreme Cold: Engineered for Arctic and Antarctic deployments, ensuring consistent performance where traditional batteries fail.
- Adaptability: Flexible sizing and connector options suit diverse equipment, from rescue drones to industrial sensors.
- Efficiency: Combines fast charging with low self-discharge (≤3% monthly), critical for remote operations.
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