Samsung 25R 18650 2500mAh 20A Battery Review

As one of the most reliable power cells in the 18650 category, the Samsung 25R continues to dominate the market in 2025. Designed for high-drain applications, this battery offers exceptional performance, safety, and longevity.

Key Specifications and Features

The Samsung 25R boasts a nominal capacity of 2500mAh and a continuous discharge rating of 20A. Its robust construction ensures stable operation even under demanding conditions, making it ideal for vaping devices, flashlights, and power banks.

Performance and Safety

With improved thermal stability and overcharge protection, this battery minimizes risks of overheating. Users consistently report longer usage cycles and consistent output voltage, crucial for high-performance devices.

Common Questions Answered

Is the Samsung 25R suitable for sub-ohm vaping? Yes, its 20A rating supports low-resistance coils safely.

How long does it last per charge? Depending on usage, expect 4-6 hours of continuous moderate use.

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