INR21700 4000mAh 3.7V Lithium Ion Batteries
INR21700 4000mAh 3.7V Lithium Ion Batteries
21700 battery NMC Lithium Cells
Rechargeable Li-Ion 21700 battery
Rechargeable Li-Ion 21700 battery

INR21700 4000mAh 3.7V Lithium Ion Batteries Rechargeable Li-Ion 21700 battery NMC Lithium Cells

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The Rechargeable Li-Ion 21700 battery is a high-density power solution engineered to bridge the gap between compact size and high-capacity performance. As the modern successor to the 18650 cell, this format offers superior energy storage and discharge stability, making it the ideal choice for high-drain devices and electric mobility.

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Description

The INR21700 4000mAh 3.7V Lithium Ion Batteries are engineered using advanced Nickel Manganese Cobalt (NMC) chemistry. This specific Rechargeable Li-Ion 21700 battery chemistry is favored for its high specific energy and stable thermal performance, making it the industry standard for high-drain devices.

Our 21700 product line includes multiple capacity models to suit different project requirements:

  • INR21700-4000mAh: Optimized for high discharge rates and power-hungry tools.
  • INR21700-4500mAh: A balanced choice for long-range e-mobility.
  • INR21700-5000mAh: Maximum capacity for long-duration energy storage.

Versatile Battery Pack Configurations

To meet diverse voltage and capacity needs, these cells are frequently assembled into packs using various series (S) and parallel (P) configurations. The nominal voltage of a single Rechargeable Li-Ion 21700 battery is 3.7V (with a 4.2V peak), but they can be scaled as follows:

  • 12V Systems (3S): Commonly used for portable electronics and small solar lights.
  • 24V Systems (7S): Ideal for electric wheelchairs and medical equipment.
  • 36V/48V Systems (10S/13S): Standard for e-bikes, scooters, and lightweight LEVs.
  • High Voltage Arrays: Scalable up to 72V or more for industrial AGVs and home energy storage systems.

Wide-Ranging Applications

The Rechargeable Li-Ion 21700 battery> has become the go-to solution across several booming industries due to its superior power-to-weight ratio:

  1. Electric Mobility: Powering e-bikes, electric scooters, and motorcycles with extended range.
  2. Portable Power Tools: Providing the high current required for cordless drills, saws, and grinders.
  3. Energy Storage Systems (ESS): Storing renewable energy from solar panels for residential or industrial use.
  4. Flashlights & Outdoor Gear: High-lumen LED flashlights rely on the 21700’s high discharge capability.
  5. IoT & Smart Devices: Ensuring long-term, maintenance-free operation for connected sensors.

Why Choose Long Sing Energy Factory?

Choosing the right Rechargeable Li-Ion 21700 battery supplier is critical for product safety and brand reputation. Long Sing Energy stands out as a premier manufacturing partner:

  • Advanced R&D: We specialize in high-pulse and extreme-temperature battery technology, holding numerous international invention awards.
  • Stringent Quality Control: Every Rechargeable Li-Ion 21700 battery undergoes rigorous testing for cycle life, internal resistance, and safety parameters.
  • Customization Expertise: Beyond providing individual cells, our factory offers full-service custom battery pack design, including BMS integration and specialized housing.
  • Global Logistics & Support: With a robust supply chain, we provide end-to-end support from technical design to final delivery.

Contact Us Today

Ready to upgrade your product’s power performance with a reliable Rechargeable Li-Ion 21700 battery? Our engineering team is standing by to help you design the perfect energy solution.

Would you like to receive a detailed datasheet or a custom quote for your project? Please fill out the inquiry form below, and our specialists will contact you within 24 hours.



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