14.8V 4.4Ah 18650 Lithium Ion Battery Pack

Application Background

This battery solution is designed for communication testing devices, widely used in communication detection, measurement instruments, and field diagnostic equipment.
The device requires stable long-term operation with consistent power output during precision signal testing and data acquisition, demanding high reliability, stability, and compact design.

Project Challenges

Testing equipment requires continuous operation of 6–10 hours
Sensitive measurement loads require stable voltage output without fluctuation
Frequent charge/discharge cycles require stable cycle performance
Device space is limited, requiring slim and compact structure design

Customized Battery Solution

4S2P lithium battery configuration provides stable 4.4Ah capacity support
Blue PVC housing ensures lightweight structure and easy integration
Multiple protection system: overcharge, overdischarge, overcurrent, short circuit protection
Wide temperature design (-20～60℃) ensures stable outdoor and industrial use

Application Results

Supports long-duration stable operation of testing equipment
Improves power output stability under precision measurement by ~20%+
Lightweight structure enhances device portability
Stable cycle life reduces maintenance frequency and replacement cost