Inr21700 45p High Rate Lithium Ion Battery - China

Ultra-High Discharge Capacity

Instant High Current Output

Low Internal Resistance

High Power Performance

Strong Durability INR21700-45P High-Rate Lithium-Ion Battery Application Areas:

Fast-Charging Power Banks, Out-door power stations

INR21700-45P High-Rate Lithium-Ion Battery 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) 4500mAh

Internal Resistance (mΩ) ≤22mΩ

Weight 68±1g

Max Discharge Rate 5C

Max Charge Rate 1C

Cycle life (DOD 80% 25℃) Charge: 2C, Discharge: 3C≥400 cycles

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

Discharge: -10~60℃ The INR21700-45P High-Rate Lithium-Ion Battery is a next-generation cylindrical lithium cell developed for high-current, high-performance applications.

With a nominal capacity of 4500mAh, and capable of delivering continuous discharge current up to 10C (45A), it is engineered for durability, efficiency, and consistent energy output across demanding operational environments.

Manufactured by Zigong JOINSUN Technology Co., Ltd., this battery is built with advanced NCA/NCM chemistry and precision production processes at the Zigong Lithium-ion Battery R&D Center, ensuring enhanced thermal control, long lifespan, and high safety standards.

Looking for high-performance battery cells for your devices or energy systems? Contact JOINSUN for OEM battery solutions, engineering support, and volume pricing.

INR21700-45P High-Rate Lithium-Ion Battery Application Scenarios: The INR21700-45P is ideal for high-drain, mission-critical systems across various industries: Electric Bicycles and Scooters Cordless Power Tools and Industrial Devices Residential and Commercial Energy Storage Systems Smart Agricultural Equipment Portable Power Packs and Outdoor Backup Systems Military Electronics and Tactical Gear UAVs, Drones, and Aerospace Prototypes Use Case Example: In electric scooters, this cell offers longer ride time with fewer cells per pack, resulting in lighter designs without sacrificing power.

INR21700-45P High-Rate Lithium-Ion Battery Advantages High Discharge Rate: Supports up to 45A continuous current for peak power demands.

Enhanced Capacity: 4500mAh output means extended runtime per cycle.

Stable Thermal Performance: Designed for high-load conditions with effective heat dissipation.

Reliable Cycle Life: Maintains over 80% capacity after 1000 charge-discharge cycles.

Safety-Compliant Design: Meets global shipping and electrical safety standards (UN38.3, MSDS, RoHS).

Why Choose Joinsun INR21700 Series? Over 10 years of lithium battery R&D and manufacturing experience.

Strong engineering team with 30+ specialists and 4 industry PhDs.

In-house production and QC systems for performance consistency.

Customized battery pack assembly and BMS integration services.

Frequently Asked Questions (FAQ) Q1: What is the difference between INR21700-45P and 40P?

A: The 45P offers 500mAh more capacity and higher pulse discharge performance, suitable for applications that need both high power and longer runtime.

Q2: Can the INR21700-45P be used in power tools?

A: Yes.

Its high discharge rate and durability make it ideal for drills, grinders, and other cordless equipment.

Q3: How long does this battery last in a typical energy storage system?

A: Depending on usage, it can maintain over 80% capacity after 1000 cycles, equating to 3–5 years of regular daily use.

Q4: Is customization available for battery packs?

A: Yes, Joinsun offers pack design, BMS integration, series-parallel configurations, and OEM/ODM options.

Our team will respond within 24 hours with a technical consultation.

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.