Cylindrical Lithium-ion Battery – 18650 Series

Cylindrical Lithium-ion Battery

18650 Series

Product Type:

INR18650E-1300mAh 10C
INR18650E-1500mAh 10C
INR18650E-2000mAh 5C
INR18650E-2000mAh 10C
INR18650E-2000mAh 12C
INR18650E-2500mAh 8C
INR18650E-2600mAh 3C
INR18650E-2600mAh 5C

Used Medium:

Nickel plated steel shell

Nominal Voltage:

3.7 V

Internal impedance:

≤17mΩ

Battery weight:

Approx.41-46g

Discharging Cut-off Voltage:

2.75V

Standard Charging:

1.3A

Maximum Charging:

2.6A

Standard Discharging:

1.3A

Maximum Continuous Discharge Current:

13A

Max Discharge Current:

20.8A(≤3S)

Storage temperature range and outer packing:

Less than 1 months:-20-35℃
Less than 6 months:-10-35℃
Less than 1 year:0-30℃

Operation temperature:

Charge 0 to 45℃
Discharge: -20~ 75℃

Warning:

1. Don't leave battery near a heat source such as fire and heater;
2. Forbid to short-circiut, over-charge and over-discharge batteries;
3. Forbid to immerse battery in water or seawater;
4. Forbid to reassemble or refit the battery;
5. Forbid to touch electrolyte leakage from battery directly;
6. Keep battery out of reach of children;
7. Forbid to transport or store battery together with metal objects such as hairpins, necklaces, etc;

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Introduction

The INR18650E series features advanced lithium-nickel chemistry and low-impedance design, ensuring high energy density, superior power output, and stable safety performance.
High Power Type: NR18650E-1300mAh 10C, INR18650E-1500mAh 10C, INR18650E-2000mAh 10C/12C, INR18650E-2500mAh 8C — built with high-nickel cathode and high-conductivity electrolyte, offering instant power delivery, excellent thermal control, and High cycle life for tools, e-bikes, and robotics.
Energy Type: INR18650E-2000mAh 5C, INR18650E-2600mAh 3C/5C — made with high-capacity anode materials and safety-enhanced separators, providing low self-discharge, stable output, and reliable long-duration energy for ESS, solar, and portable devices.
Compliant with ROHS, UN38.3, MSDS, and CE, ensuring safe and consistent performance.

Details

Model:

18650 Lithium Battery

Packaging:

Boxed, crated, plastic pallets
Label Design & Customized
MSDS,sGS card, industrial package, Customized package

MOQ:

1000pcs

ShelfLife:

5years

Certification:

CE, ROHS, MSDS, SGS, UN38.3, Non-Restricted Transport Report for Land/Sea/Air Freight

Customization:

OEM/ODM+Deep customization

Delivery time

SAMPLE

1~2 days for exiting brands for sample

OEM SAMPLES

5~7 days for OEM samples

AFTER CONFIRMATION

25 days after confirming order

Qualifications

Advantages

Advantages of cylindrical lithium battery

Cylindrical lithium batteries, including popular models 18650, 21700, and 32700, are widely used in energy storage systems and power applications such as electric vehicles, e-bikes, and industrial equipment. Many suppliers in the market face common issues, including overstated capacity, poor consistency between batches, limited discharge stability, and slow delivery. These problems can severely affect system reliability, operational safety, and brand reputation for global customers.

Advantages of cylindrical lithium battery

Our cylindrical lithium batteries are engineered to overcome these challenges. Energy storage batteries provide high cycle life, low self-discharge, and stable performance, ensuring long-term, reliable power for residential, commercial, and industrial energy systems. Power-type batteries deliver high discharge currents, excellent thermal stability, and robust mechanical strength, meeting the demanding requirements of electric mobility and high-drain equipment. With advanced production lines, strict quality control, and verified capacity data, we guarantee true capacity, consistent performance, large-scale production, and fast delivery. Our 18650, 21700, and 32700 batteries are ready to support global OEM and ODM customers with dependable energy solutions and long-term market competitiveness.