IMREN 25RS 18650 2500mAh 25A Rechargeable Lithium Battery: High-Performance Review | IMREN Battery

IMREN 25RS 18650 2500mAh 25A Rechargeable Lithium Battery: High-Performance Review | IMREN Battery


The IMREN 25RS 18650 2500mAh 25A rechargeable lithium battery is engineered to deliver exceptional performance and reliability, catering to the demands of modern electronic devices. In this comprehensive review, we'll delve into its specifications, capabilities, and suitability for various applications.


  • Manufacturer: IMREN
  • Model: 25RS
  • Size: Standard 18650 Battery (Φ=18mm, H=65mm)
  • Positive Terminal: Flat Top
  • Nominal Capacity: 2500mAh
  • Nominal Voltage: 3.7V
  • Standard Charge: CCCV, 1.50A, 4.20V±0.05V, 150mA cut-off
  • Standard Discharge: 25A
  • Charging Time: 2.5-3 hours, 3500mA (1.0C 5rate)
  • Initial Impedance: Max: 13-16mΩ
  • Weight: 45.0±2g
  • Operating Temperature: Charging: 0℃-45℃ Discharging: -20℃-60℃
  • Storage Temperature: -20~45℃
  • Storage Humidity: ≤75% RH
  • Warranty: 1 Year

Performance Assessment:

The IMREN 25RS 18650 2500mAh 25A battery boasts a nominal capacity of 2500mAh, ensuring prolonged usage between charges. With a nominal voltage of 3.7V, it provides stable and consistent power output throughout its discharge cycle.

A notable feature of this battery is its standard discharge rate of 25A, making it suitable for high-drain devices such as vaping mods, flashlights, and portable power tools. The flat top positive terminal design enhances compatibility with a wide range of devices.

The battery's standard charging protocol of CCCV (Constant Current, Constant Voltage) ensures safe and efficient charging, with a recommended charging time of 2.5-3 hours at 1.0C 5rate. Additionally, the low initial impedance (max: 13-16mΩ) contributes to enhanced efficiency and performance.

Operating within a wide temperature range, from 0℃ to 45℃ during charging and -20℃ to 60℃ during discharging, the IMREN 25RS battery demonstrates versatility and reliability even in challenging environmental conditions.

Comparison with SAMSUNG 25R:

For users seeking to compare the IMREN 25RS with the SAMSUNG 25R, a detailed comparison datasheet is provided. This resource offers insights into key differences and similarities between the two batteries, aiding consumers in making informed purchasing decisions.


In conclusion, the IMREN 25RS 18650 2500mAh 25A rechargeable lithium battery exemplifies high performance and reliability, making it an ideal choice for powering a variety of electronic devices. With its impressive specifications and adherence to safety standards, this battery is sure to meet the needs of both casual users and professionals alike.

Experience the power and reliability of the IMREN 25RS battery for yourself. Purchase now or contact us for more information.

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