5V 8000mAh 18650 Lithium Battery Pack

Application Background

This battery solution is designed for buoy positioning systems, widely used in marine monitoring, water-area tracking, and remote data acquisition applications.
The device requires long-term unattended operation in harsh aquatic environments, demanding stable power supply, high endurance, and reliable output performance.

Project Challenges

Continuous operation for 30+ days required
Unstable marine conditions require stable voltage output
High humidity and low-temperature resistance demands
Compact structure for long-term field deployment

Customized Battery Solution

5V regulated output design ensures stable power for positioning and communication modules
Multiple protection system including overcharge, overdischarge, overcurrent, and short-circuit protection
Wide-temperature design (-20～60℃) adapts to complex marine environments
Low self-discharge design extends standby and operational life

Application Results

Enables long-term continuous operation with reduced maintenance frequency
Improved output stability reduces system power failure risk
Extended overall endurance for surface/submerged deployment
Enhanced reliability in complex marine environments