N217004003C | CYLINDRICAL CELL

21700

LI-ION RECHARGEBLE BATTERY

N217004003C | CYLINDRICAL CELL

21700

LI-ION RECHARGEBLE BATTERY

Inside the N217004003C Cylindrical Cell

Cell Specs at a Glance

4000

Nominal Battery Capacity (mAh)

>202

Energy Density (Wh/kg)

≤20mΩ

Initial Internal Impedance

3.65V

Nominal Voltage

≤71

Cell Weight (gms.)

1 Yr.

Shelf Life

Closer look at key features
of N217004003C Cell.

Next-Level Protection, Cutting-Edge Safety.

Our advanced safety solutions, including precise thermal management, robust circuit protection, and exact charge regulation, ensure your safety is our top priority.

Commitment to Safety, Dedication to Trust.

We uphold the highest industry standards and certifications—UL, IEC, and CE—to deliver exceptional reliability and complete peace of mind.

Engineered for Lasting Excellence, Crafted for Superior Dependability.

Utilizing state-of-the-art materials and innovative cell technology, our product delivers unwavering performance and enduring energy.

Unlock Potential, Redefine Power.

Discover cutting-edge cell technology engineered for maximum energy density and exceptional performance, all wrapped in a sleek, forward-thinking design.

Unparalleled Battery Longevity.

500

Cell Cycle Life (≥80% of Capacity)

Significant improvements in cycle life, making them more reliable and efficient for various applications.

BUILT TO LAST

Unmatched Resilience.

Crafted with the utmost precision, utilizing only the finest raw materials. Each battery undergoes rigorous quality control testing to ensure optimal performance, longevity, and safety.

Standard Charge

CCCV, 0.2C(800mA), 4.20V, 80mA cut-off, 25°C

Standard Discharge

CC,0.2(800mA), 2.75V

Max. Cont. Charge Curent

0°C≤T≤5°C | 0.1C(400mA)
5°C<T≤15°C | 0.2C(800mA)
15°C<T≤45°C | 0.5C(2000mA)

Max. Cont. Disharge Curent

3.0C(12000mA), 25°C

Powering Your World with LiB Batteries

Lithium-Ion Applications

Technical Datasheet

Product Specs.

Discharge Capacity

Nominal 4000mAh(0.2C)

Minimum 3900mAh(0.2C) Nominal Capacity is measured by the discharge at 0.2C to 2.75V end Voltage after standard fully charged according to specification (CCCV, 0.2C-800mA, 4.20V, 80mA cut -off, 25°C)

Charge Voltage

4.20V

Nominal Voltage

3.65V@0.2C

Standard Charge Method

CCCV, 0.2C(800mA), 4.20V, 80mA cut-off, 25°C​

Maximum Continuous Charge Current (not for cycle life)

0.7C(2800mA), 25°C

Maximum Continuous Charge Current

0°C≤T≤5°C 0.1C(400mA)

5°C<T≤15°C 0.2C(800mA)

15°C<T≤45°C 0.5C(2000mA)

Charge Time

Standard charge 6.0h

Standard Discharges Method

CC, 0.2C(800mA), 2.75V

Maximum Continuous Discharges Current (Not for Cycle life)

3.0C(12000mA), 25°C

Cycle Life

500th cycle ≥80% of 1st Capacity (25°C, 0.5C charge/1C discharge, 4.20V-3.00V).
If charged and discharged at high rate and high temperature (≥35°C) or high voltage frequently, cell cycle life will be shortened. If charged and discharged at high temperature (≥60°C) frequently cell safety risk may be occurred.

Weight of Bare Cell

≤71g

Operating Environmental Temperature

Charge: 0°C to 45°C

Discharge: -20°C to 60°C

Surface temperature of Cell

Charge: 0°C to 50°C

Discharge: -20°C to 65°C

Storage Temperature (Shipping state, recovery capacity ≥80%)

1 Month: -20°C to 60°C

3 Month: -20°C to 45°C

12 Month: -20°C to 25°C

Disclaimer:
While we strive to provide the most accurate and up-to-date information regarding the lithium cells featured on this page, there may be instances where specifications may change due to variations in raw materials or technological advancements.

To ensure that you receive the most current and accurate information, we strongly recommend contacting our sales team for the latest details on cell specifications. Our sales executives can provide you with precise information tailored to your specific needs.

Lithium-Ion Cell Manufacturing Process

LiB Quality at it's best.

Crafted with the utmost precision, utilizing only the finest raw materials. Each battery undergoes rigorous quality control testing to ensure optimal performance, longevity, and safety.

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