Inr21700 48e For Energy Storage - China

High Capacity for Ultra-Long Standby

Long Cycling life Ensures Longer Service Life

Efficient Charging

Excellent Low-Tempereture Adaptability Application Areas Power bank, Small-Scale Energy Storage, 3C Digital, Small Home Appliances, Security Devices, Lighting, Garden Tools, Hair Clippers

Parameter：

Cell's Materials Pure Ternary 811

Dimension (mm) Height: 70.8±0.2mm Diameter: 21.7±0.15mm

Nominal Voltage (V) 3.6V

Nominal Capacity (Ah) (0.2c) 4800mAh

Internal Resistance (mΩ) ≤22mΩ

Weight 69±1g

Max Discharge Rate 5C

Max Charge Rate 1C

Cycle life (DOD 80% 25℃) Charge: 0.5C, Discharge: 3C≥600 cycles

Charge: 0.5, Discharge: 1C≥1000 cycles

Operating Temperature(Cell Surface) Charge: 0~45℃

Discharge: -10~60℃ Our 21700 cells for energy storage are engineered for a variety of applications, offering efficient and reliable power for small household appliances, security monitoring, lighting, mobile power, power banks, and 3C digital products.

Key Features: Internal Resistance: ≤22mΩ for minimal energy loss Cycle Life: ≥600 cycles at 3C (80% capacity retention) Continuous Rate: 0.5C charge / 2~3C discharge (at 25℃) Maximum Rate: 5C discharge (non-cycling) Safety: Compliant with GB31241-2022 standards Our cells provide long-lasting, reliable energy storage and high discharge rates for everyday devices and energy solutions.

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.