INR21700-45C

The INR21700-45C is a high-performance cylindrical lithium-ion battery developed by Joinsun. Designed for applications requiring moderate power output, it offers a balance between capacity and discharge rate, making it suitable for various consumer electronics and energy storage solutions.

Joinsun’s commitment to quality ensures that every INR21700-45C cell is manufactured to strict standards. Our professional R&D team provides technical support and customization services, enabling clients to design battery packs tailored to their specific applications. Whether for commercial or personal use, this battery ensures dependable power delivery.

INR21700-45C 3C Cylindrical Lithium-ion Battery Key Advantages

High Energy Density: Provides a substantial capacity of 4500mAh, ensuring longer usage times between charges.

Stable Performance: Maintains consistent output, making it reliable for various applications.

Lightweight Design: Weighs only 68.5g, contributing to the overall portability of the device.

Moderate Discharge Rate: Supports up to a 4C discharge rate, suitable for applications that require moderate power without high peak demands.

Frequently Asked Questions (FAQ)

Q1: What is the nominal voltage and capacity of the INR21700-45C battery?

A1: The battery has a nominal voltage of 3.6V and a nominal capacity of 4500mAh, suitable for moderate power applications.

Q2: What is the maximum discharge rate?

A2: The INR21700-45C supports a maximum continuous discharge rate of 4C, allowing stable performance for devices that require moderate power output.

Q3: What is the recommended charge rate?

A3: The recommended charge rate is 1C. Using the proper charging equipment ensures longer cycle life and safety.

Q4: How long is the battery’s cycle life?

A4: The battery can reach over 400 cycles at 0.5C charge / 2C discharge with 80% Depth of Discharge (DOD), and up to 500 cycles at 0.5C charge / 1C discharge.

Q5: Can this battery be used in high-temperature environments?

A5: The battery is designed to operate in discharge temperatures from -10℃ to 60℃ and charging temperatures from 0℃ to 45℃. Prolonged exposure to extreme temperatures should be avoided to maintain performance.

Q6: Is the INR21700-45C safe to use?

A6: Yes. The battery has built-in safety features including overcharge, over-discharge, and short-circuit protection, and should always be used with compatible chargers and devices.

Q7: Can this battery be used for energy storage systems?

A7: Yes, the INR21700-45C is suitable for small-scale energy storage systems, portable power banks, and other consumer electronics requiring moderate power output.

Q8: Is the battery customizable?

A8: Joinsun offers professional customization options for battery packs, including specific voltage, capacity, and configuration requirements.

Q9: How should I store the INR21700-45C battery when not in use?

A9: Store the battery in a cool, dry place with 40%-60% charge. Avoid short-circuiting and keep it away from direct sunlight or high humidity.

Q10: Where can I purchase the INR21700-45C battery?

A10: It can be purchased directly from Joinsun’s official website or authorized distributors to ensure product authenticity and after-sales support.

Take action now: 

Don’t compromise on quality and performance. Order the INR21700-45C 3C Cylindrical Lithium-ion Battery today from Joinsun Battery and experience reliable, long-lasting power for all your devices. For inquiries or custom solutions, contact our sales team via email, phone, or online chat—our experts are ready to assist. Start online chat immediately.