China factory wholesales lithium li-ion 18650 battery 3.7v 1400mah li-ion battery cell

TECHNIQUES:

Automatic spot-welding techniques;
Exquisite workmanship

Warnings:
Keep the batteries out of the reach of children
Do not dismantle the batteries.
Do not use deformed batteries.
Do not reverse the positive and negative terminals
Do not use or leave the battery near a heat source such as fire or heater.
Do not immerse the battery in water and other liquid, and keep the battery in a cool, dry surrounding for storage.

Located in a Chinese high-tech city of Shenzhen, OSN POWER TECH LIMITED is a pioneer of R&D, manufacturing of Lifepo4 and other Li-ion batteries. Since its founding in 2008, OSN has always insisted on providing total power solutions to customers in the field of electric vehicles / power tools / backup power / energy storage power/ smart device with strong expertise and advanced automation equipment.

OSN has been awarded as Hi-Tech Company, and OSN batteries have been approved by UL, CE, ROHS, UN and compliant with many other international standards. With the quality control goal of “Zero Defects”, we have developed an original digital automatic measuring & analytic system and process statistical control system.

Base on quality products, attractive design, reasonable price and excellent services, we have won praises from thousands of satisfied customers all over the world.