
About OECV Power
Professional cylindrical cell manufacturer based in Shenzhen
Company Profile
OECV Power is a professional cylindrical cell manufacturer based in Shenzhen, China. With in-house cell production lines and PACK assembly facilities, we deliver reliable battery solutions to clients worldwide.
Our product range covers 18650, 21700, 32140, and 40140 cylindrical cells, as well as custom battery packs from 2S to 24S configurations. We serve diverse applications including RC models, drones, electric vehicles, power tools, energy storage, and robotics.
With certifications including UL, CE, and UN38.3, we maintain strict quality standards across every stage of manufacturing — from raw material inspection to final product testing.
Location
Shenzhen, China
Employees
{N}+
Certifications
UL/CE/UN38.3

Certifications & Qualifications

UL Certification
Underwriters Laboratories safety certification for lithium battery products.

CE Marking
European conformity marking for health, safety, and environmental protection.

UN38.3
UN transportation testing for lithium metal and lithium ion batteries.

ISO 9001
Quality management system certification for consistent manufacturing.

PACK Factory
Our PACK assembly facility handles the complete battery pack manufacturing process — from cell sorting and matching to welding, BMS integration, and final testing. Each pack undergoes rigorous quality checks before shipment.
Daily Output
{N} packs/day
Production Lines
{N} lines
Spot Welders
{N} units
Testing Equipment
{N} stations
Cell Factory
Our cylindrical cell production line covers the full manufacturing process including electrode preparation, cell assembly, electrolyte filling, formation, and aging. Advanced automation ensures consistent quality across every cell.
Cell Types
18650/21700/32140/40140
Annual Capacity
{N}M cells
Yield Rate
{N}%
QC Stations
{N} checkpoints

Join Our Team
Battery Engineer
Quality Inspector
Sales Manager (Overseas)
Production Line Operator
Interested? Send your resume to hr@oecvpower.com