Samsung 25R 18650 Battery Review: 2500mAh 20A Power Cell (2025 Update)

As high-drain devices continue evolving, reliable power sources remain crucial. The Samsung 25R 18650 2500mAh 20A Battery16:09 2025/9/3 stands as a proven performer in the lithium-ion landscape, delivering consistent power for demanding applications.

Technical Specifications and Performance

This power cell features a robust 2500mAh capacity with 20A continuous discharge rating. Its stable chemistry ensures minimal voltage sag under load, making it ideal for high-performance flashlights, vaping devices, and power tools.

Temperature Stability and Safety

Engineered with advanced protective features, the 25R maintains operational safety between -20°C to 60°C. The built-in PTC (Pressure Temperature Control) and CID (Current Interrupt Device) prevent overpressure and short-circuit scenarios.

Comparative Advantages

When tested against competitors, the Samsung 25R demonstrates superior cycle life – maintaining 80% capacity after 500 charge cycles. Its low internal resistance (22mΩ) ensures efficient energy transfer with reduced heat generation.

Real-World Applications

From professional laser equipment to emergency power banks, this battery delivers consistent performance. Users report excellent reliability in solar energy storage systems and electric transportation applications.

Frequently Asked Questions

Q: What charger compatibility does this battery have?

A: Compatible with most Li-ion chargers supporting 4.2V cutoff voltage with 1.25A recommended charging current.

Q: How does temperature affect performance?

A: Capacity reduces approximately 15% at 0°C and 30% at -20°C. Optimal performance occurs at room temperature.

Ready to upgrade your power solution? Explore our certified inventory of genuine Samsung batteries and experience unmatched performance today. Contact our technical team for custom power configuration advice.