21700-6S3P 21.6V 14.7Ah Lithium-ion Battery Pack

Application Background

This battery solution is designed for laser marking machines and industrial power equipment, suitable for high-power laser processing and continuous industrial operation scenarios.

The equipment requires stable high-current output under complex working conditions to ensure laser energy stability and processing accuracy, placing high demands on power capability, reliability, and structural strength.

Project Challenges

• Continuous high-power operation required for 2–4 hours
• Instantaneous discharge current up to 30A with significant load impact
• Frequent start-stop cycles requiring high battery stability
• Industrial environments requiring strong structural durability and safety

Customized Battery Solution

• 21.78V high-voltage platform designed for stable laser equipment power supply
• 21700 high-rate cell configuration supporting high-current output
• ABS+PC housing for improved impact resistance and industrial reliability
• Intelligent BMS with overcharge, overdischarge, overcurrent, and power management functions

Application Results

• Supports stable high-power operation for 2–4 hours
• System stability improved by ~15% under high-load laser operation
• Enhanced current response reduces processing fluctuation
• Stable cycle performance extends overall equipment service life