Samsung INR18650-30Q: Powerful 18650 Li-Ion cell with 3000mAh capacity and 15A current
Introduction
The Samsung INR18650-30Q is one of the most popular 18650 class Li-Ion cells, combining high capacity with a robust maximum discharge current. It offers reliability and stable performance, making it an excellent choice for applications requiring long operation on a single charge and high current capacity.
Key features
- High capacity 3000mAh – long-lasting power for demanding devices.
- Partially high-current characteristic – maximum discharge current is 15A.
- Stable nominal voltage of 3.6V – ensures consistent power output.
- No protection (unprotected) – allows the cell to be used in sets managed by external BMS systems.
- Long life – optimised for extended charge and discharge cycles.
Technical specifications
| Parameter | Value |
|---|---|
| Model | Samsung INR18650-30Q |
| Cell type | Lithium-ion (Li-Ion) |
| Nominal capacity | 3000mAh |
| Nominal voltage | 3,6V |
| Maximum discharge current | 15A |
| Final discharge voltage | 2,5V |
| Maximum charging voltage | 4,2V |
| Dimensions | 18.33mm × 64.85mm |
| Weight | 48g |
| Country of origin | South Korea, Malaysia or China |
Applications
Thanks to its technical parameters, the Samsung INR18650-30Q is used in a wide range of sectors requiring reliable cells with high efficiency. Here are its most important areas of use:
Power tools
The powerful and stable discharge current makes this cell suitable for powering drills, grinders, cordless saws and other power tools where high-intensity energy delivery is required.
Scooters and electric bicycles
In battery packs used in electric vehicles such as scooters and bicycles, Samsung’s INR18650-30Q cells offer robust performance in terms of capacity and efficiency, providing long run times on a single charge.
E-cigarettes and vaporisers
The cell’s stable voltage curve makes it the choice for e-cigarette and vaporiser users, guaranteeing efficient performance and adequate runtime.
LED torches and lighting
High-powered torches and LED lighting systems require high-capacity cells to ensure long operation without recharging. The INR18650-30Q perfectly meets these requirements.
Energy storage systems
These cells can be bundled together to build energy banks used in power storage systems, including home solar and UPS systems.
How to properly operate the Samsung INR18650-30Q cell?
To ensure the long life and safe operation of the cell, several rules must be followed:
- Do not allow the poles to be short-circuited – this can lead to damage to the cell and the risk of overheating.
- Avoid overheating – excessive temperatures have a negative effect on the performance of the cell and may shorten its life.
- Use dedicated chargers – using unsuitable equipment may damage the cell or affect its safety.
- Store in a dry and cool place – excessive moisture or high temperatures can lead to degradation of the cell.
Summary
The Samsung INR18650-30Q is one of the most versatile lithium-ion cells available on the market, combining high capacity with robust current performance. Its wide range of applications in power tools, electric vehicles, torches and energy storage systems make it the choice for professionals and technology enthusiasts alike. By following proper operating principles, a long cell life and maximum efficiency can be ensured.
Frequently asked questions
FAQ – Frequently asked questions
Does the Samsung INR18650-30Q cell have safety features?
No, it is an unprotected cell and is therefore recommended for use in systems with a suitable BMS.
What is the final discharge voltage?
The minimum voltage is 2.5V, below this value permanent damage to the cell can occur.
Can I charge this cell with a normal USB charger?
No, it is necessary to use special chargers dedicated to Li-Ion cells with voltage and current control.
How many charge cycles does the Samsung INR18650-30Q last for?
With correct use, the cell can last up to 300-500 charge cycles.
Can I use these cells in powerbanks?
It is not recommended to use them in powerbanks without proper protection, as this can lead to unstable operation of the device.
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