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Samsung 25R | INR18650-25R 3.6V 2500mAh 20A High-Drain for Vape & Flashlight

[Key Technical Specifications]

FeatureSpecification
ManufacturerSamsung SDI
ModelINR18650-25R
Nominal Capacity2500mAh
Nominal Voltage3.6V
Continuous Discharge Rating20A
ChemistryINR (LiNiCoMn) 
Standard Charge1.25A (0.5C)
Internal Resistance≤ 18mΩ (Typical)


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Detail Information

Samsung 25R | INR18650-25R 3.6V 2500mAh 20A High-Drain Lithium-Ion Cell

[Overview: The Legend of High-Drain Performance]The Samsung 25R is perhaps the most iconic high-drain 18650 cell ever made. Known globally for its incredible durability and consistent power delivery, the 25R provides a perfect synergy of 2500mAh capacity and a rock-solid 20A continuous discharge rating. Whether you are powering industrial equipment that demands constant high torque or seeking a reliable, heavy-hitting cell for vaping mods, the Samsung 25R is the benchmark for performance and safety. At Joyvolt, we guarantee Grade A, factory-fresh 25R cells, eliminating the risk of re-wraps or counterfeits.


[Key Features & Benefits]

  • True 20A CDR: Handles heavy loads with minimal voltage sag, ensuring your devices run at peak performance.

  • Industrial Durability: Engineered to withstand the rigors of professional power tools and harsh industrial environments.

  • Classic Reliability: Millions of cells in use globally with a proven track record of safety and longevity.

  • Flat Discharge Curve: Provides stable power output throughout most of the discharge cycle.


[Primary Applications]

  • Power Tools: Cordless drills, saws, impact drivers, and gardening equipment.

  • Vaping: Ideal for mechanical mods and regulated devices requiring high amperage.

  • High-End Flashlights: Provides the burst power needed for turbo modes.

  • Industrial Mobility: Compact AGVs and electric scooters.


[The Joyvolt Advantage]We strictly distribute 100% authentic Samsung cells. Every batch undergoes Internal Resistance (IR) and Voltage screening in Shenzhen to provide perfectly matched cell groups for your assembly needs.