18650 18V 6700mAh Smart Lithium Battery Pack

Application Background

This battery solution is specifically designed for portable air quality testers, suitable for environmental monitoring, on-site inspection, and mobile detection applications.

The device is required to operate stably for extended periods in outdoor or complex environments while collecting and transmitting data in real time, placing high demands on runtime, output stability, and monitoring capability.

Project Challenges

• Continuous operation required for 6–8 hours or more
• 18V system platform with strict output stability requirements
• Wide operating temperature range (-20°C to 60°C)
• Limited installation space (94 × 71 × 38mm Max) requiring compact high-capacity design

Customized Battery Solution

• 5S2P 18V configuration with 120.6Wh rated energy to support extended operation
• Integrated TI I2C fuel gauge enabling real-time monitoring of voltage, current, temperature, and capacity
• Comprehensive protection system (overcharge, overdischarge, overcurrent, short circuit, overtemperature, ESD)
• Compact blue PVC heat shrink casing for easy integration

Application Results

• Supports continuous operation for 6–8+ hours
• Stable output improves measurement reliability by approximately 15%+
• Real-time battery data enhances maintenance and power management efficiency
• Stable cycle performance extends overall device service life