18650 2200mAh 7.4V Lithium-ion Battery Pack

Application Background

This battery solution is designed for UAV (drone) applications, including low-temperature inspection, outdoor aerial photography, and operation in complex environments.
Drones require stable power output during continuous flight and must maintain reliable performance under low temperatures and high-altitude conditions, demanding strong endurance, low-temperature capability, and high safety reliability.

Project Challenges

Continuous flight time requirement: 20–40 minutes
Stable discharge required at -40°C extreme low temperature
High instantaneous power demand during flight maneuvers
Strict limitations on weight and structural space

Customized Battery Solution

Low-temperature discharge design: supports -40°C discharge with up to 60% capacity retention
Multi-protection system: overcharge, overdischarge, overcurrent, short-circuit, and ESD protection
Lightweight structure: PVC heat shrink packaging for easy installation and reduced weight load
High-stability management: dedicated protection IC enables precise monitoring and stable output control

Application Results

Ensures stable UAV operation in extreme low-temperature environments
Improves reliability under harsh outdoor conditions
Lightweight design helps improve flight efficiency and endurance
Stable cycle performance extends overall battery service life