18650 21.6V 13.2Ah Lithium ions Battery Pack

Application Background

This battery solution is specifically designed as an intelligent backup power supply for data acquisition equipment, suitable for industrial monitoring, remote data collection, and continuous critical data recording applications.

The system is required to provide stable backup power during main power interruption or switching, and support long-duration continuous operation, placing high demands on capacity, stability, and communication management capability.

Project Challenges

• Backup operation required for 8–12 hours or more
• 21.6V system platform with strict output stability requirements
• Industrial operating environment (-20°C to 60°C) requiring strong temperature adaptability
• Need for multi-node status monitoring and battery management communication

Customized Battery Solution

• 6S4P 21.6V high-capacity platform (13.2Ah / 285.12Wh) for long-duration backup power supply
• Integrated RS485 MODBUS communication protocol for system-level data interaction and monitoring
• Built-in balancing and multiple protection mechanisms (overcharge, overdischarge, overcurrent, short circuit, temperature, anti-reverse connection) for enhanced safety
• Low internal resistance design (≤150mΩ) ensures stable discharge performance and system reliability

Application Results

• Supports backup power operation for 8–12+ hours
• Significantly improved power-switching stability to ensure data continuity
• Enhanced battery status visibility improves maintenance efficiency
• Improved long-term operational safety and reduced system failure risk