"Premium 21700 Battery with Industrial-Grade Performance"

• Customization: Available
• Type: Lithium Metal Battery
• Cathode Material: Socl2
• Model NO.: FCB18A
• Size: Small
• Nominal Capacity: 3500mAh
• Nominal Voltage: 3.6V
• Weight: 28g
• Characteristics: Low Self-Discharge, Long Service Life
• Warranty: 2 Years
• Certification: CE;Bis;CB;Kc;UL;etc.
• Transport Package: Paper Box
• Specification: 17.5mm*17.5mm*50.5mm
• Trademark: RICHLIGHT
• Origin: China
• HS Code: 8506500000
• Production Capacity: 100000/Year

Product Description

 

Product Description

Product Overview

Experience exceptional power and reliability with our cutting-edge 21700 lithium-ion battery cell. Engineered to deliver optimal performance across a wide range of applications, this professional-grade battery combines high capacity, superior safety features, and extended cycle life to meet the most demanding power requirements.

Key Features & Benefits

• Premium Capacity: 1900mAh nominal capacity with 1800mAh minimum guaranteed capacity
• High Energy Density: 7Wh energy storage in a compact form factor
• Versatile Voltage Range: Operating voltage from 2.5V to 4.2V for broad compatibility
• Superior Current Handling:
  • Standard charge current: 1.9A
  • Fast charging capability up to 28.5A
  • Maximum continuous discharge current: 38A
  • Peak pulse discharge current: 50A
• Extended Lifespan:
  • Fast charging cycle life: ≥8000 cycles (5C charge, 3C discharge)
  • Standard cycle life: ≥11000 cycles (1C charge/discharge)
• Exceptional Temperature Management:
  • Charging temperature range: -40°C to 55°C
  • Discharging temperature range: -40°C to 55°C
  • Storage temperature range: -20°C to 45°C

Technical Specifications

• Dimensions: Φ21.65×70.50± (0.10mm)
• Weight: ≤65.0g
• Internal Resistance:
  • DC resistance: ≤9mΩ (at 4.2V, 25±3°C, 10ms)
  • AC impedance: ≤11mΩ (at 1kHz)
• Maximum Discharge Duration: 150s at peak current
• Safety Features: Built-in protection against overcharge, over-discharge, and short circuit

Applications

• Electric vehicles and E-mobility solutions
• Power tools and industrial equipment
• Energy storage systems
• High-drain electronic devices
• Portable power solutions
• Emergency backup power systems

Quality Assurance

Each cell undergoes rigorous testing and quality control procedures to ensure consistent performance and reliability. Our batteries are manufactured in state-of-the-art facilities adhering to international safety standards and regulations.

Product Identification

Unique identification system ensures full traceability:

• Format: FCB 21700 19L [Date Code]-[Serial Number]
• Example: FCB 21700 19L 20230807-00001

 

Standard charge current:	1.9A
Peak pulse discharge current:	50A

Detailed Photos

Shenzhen RlCHLlGHT Technology Co., Ltd., established in 2008, stands as a premier DM/OEM manufacturer. As a diversified high-tech enterprise, we specialize in the comprehensive research, development, manufacturing, and sales of advanced lithium battery products. Our extensive range includes primary lithium batteries, rechargeable variants, and sophisticated lithium battery packs. Collaborating with renowned brands like BYD, Gree, Hisense, and Desay, we are proud to be certified by prestigious quality systems such as UL, CB, CE, GB31241, PSE, and KC. Our expansive manufacturing facility, spanning over 30,000 square meters, is home to more than 3,000 dedicated employees. Committed to quality and innovation, we tirelessly strive to elevate the global perception of 'Made in China.'