A Ithium Ion Battery - China

The INR21700-45E Cylindrical Lithium-ion Battery is engineered for high-drain applications that require outstanding energy density, stable discharge performance, and long-term reliability.

With a typical capacity of 4500 mAh, this 21700 lithium-ion cell is widely used in electric vehicles, e-bike battery packs, cordless power tools, portable energy storage systems, and various industrial devices.

Designed for both consumer and commercial applications, the INR21700-45E offers a perfect balance of power output, safety, and cycle life, making it one of the most versatile solutions for battery manufacturers and OEM projects.

Key Features of INR21700-45E Battery Cell High-capacity 4500 mAh design ideal for high-drain devices and continuous power output.

Stable and reliable 21700 cylindrical lithium-ion battery with excellent energy density and heat management.

Perfect for EV battery packs, power tools, e-bike / scooter batteries, and DIY battery projects.

Supports OEM / ODM customization, including custom battery packs, configurations, and branding.

100% tested for capacity, internal resistance, and cycle performance to ensure consistent quality.

Company Contact:

• Posted By: Zigong Joinsun co,. Ltd

• Phone: 0813-8258888

• Address: 6-45 Xinyuan Road, Yantan District, Zigong , Sichuan , China

• Email:

• Website: https://www.joinsunbattery.com/

• Business Description: Zigong JOINSUN Technology Co., Ltd. established in September 2022 with a registered capital of 60 million yuan, is a technology-oriented small and medium-sized enterprise specializing in the research and development, production, and sales of lithium-ion power batteries, ultra-large capacity energy storage batteries, battery management systems, rechargeable battery packs, and wind and photovoltaic energy storage systems.
  
  The company boasts an advanced technology and management team, as well as a comprehensive R&D, production, quality control, sales, and service system, holding a significant brand position in the field of power batteries.