21.6V 8800mAh 18650 Low Temperature Lithium Ion Battery Pack for Track Detector
Low Temperature Lithium Ion Battery Pack for Track Detector
21.6V 8800mAh 18650 Low Temperature Lithium Ion Battery Pack - Image 3

21.6V 8800mAh 18650 Low Temperature Lithium Ion Battery Pack

Product Number:
19AQ006-10
Nominal voltage:
21.6V
Nominal capacity:
8.8Ah
Battery Configuration:
18650-6S4P
Dimension:
492 × 78 × 26 mm (Max)
Application:
Track Detector
Get Custom Solution
Aluminum alloy housing, Wide temperature operation, SOC display balancing, integrated protection system
Product Overview

This battery is designed for railway track inspection equipment used in rail monitoring and field data acquisition scenarios. It delivers stable output with wide-temperature and anti-vibration design, ensuring reliable performance in continuous operation under harsh railway environments.

Electrical Specifications

Attribute Parameter
Product Number 19AQ006-10
Cell Model 18650 / 3.7V / 2200mAh
Battery Configuration 18650-6S4P
Nominal Voltage 21.6V
Nominal Capacity 8.8Ah
Rated Energy 190.08Wh
Charging Voltage 25.2V
Discharge Cut-off Voltage 15V
Standard Charging Current ≤4.4A
Standard Discharge Current 8A
Max Continuous Discharge Current 8A
Internal Resistance ≤250mΩ

Mechanical & Environmental

Attribute Parameter
Charging Temperature 0 ~ 45℃
Discharge Temperature -40 ~ 60℃
Storage Temperature -40 ~ 35℃
Dimensions 492 × 78 × 26 mm (Max)
Weight 1.5kg
Battery Case Aluminum alloy housing
Protection System Short circuit, Overcharge, Overdischarge, Overcurrent, Temperature protection, Balancing, SOC indicator

Application Background

This battery solution is designed for railway track inspection equipment, widely used in rail inspection, structural monitoring, and data acquisition applications.

The system must operate reliably under strong vibration, wide temperature variations, and long-distance field operation, ensuring continuous data integrity with high requirements for power stability, safety, and environmental adaptability.

Project Challenges

  • Continuous operation required for inspection and data collection tasks
  • Strong vibration and mechanical shock in railway environments
  • Wide operating temperature range from -40°C to 60°C
  • Stable power supply required for long-distance field deployment

Customized Battery Solution

  • 6S4P 21.6V medium-capacity platform (8.8Ah / 190Wh) for stable power supply in track inspection systems
  • Aluminum alloy housing for enhanced impact resistance and mechanical strength
  • Wide-temperature cell design (-40°C to 60°C) for extreme railway environments
  • Integrated balancing system, SOC indicator, and multi-level protection for improved reliability and monitoring

Application Results

  • Improved power stability under complex railway operating conditions
  • Enhanced reliability in low-temperature and high-vibration environments
  • Optimized battery management and operational safety
  • Ensured continuous data acquisition and improved field inspection efficiency

We support flexible customization based on your project requirements, including:

  • Voltage range: 3.2V – 72V
  • Capacity range: 100mAh – 100Ah
  • Electrical performance design: Charge/discharge parameters, C-rate, internal resistance, temperature performance
  • Mechanical design: Appearance, dimensions, housing material, and integrated structural engineering
  • BMS design: Battery protection, cell balancing, and communication protocols (SMBus / I2C / UART)
Get a Custom Battery Solution
Tell us about your project needs. Our engineers will provide a tailored battery solution and quotation within 24 hours.
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