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Key Features Reliable 2500mAh capacity for everyday power needs 20A continuous output for demanding applications Trusted Samsung quality with consistent production standards Excellent balance of performance and value One of the most widely used 18650 cells worldwide Overview The Samsung 25R 18650 battery is known for its exceptional balance of power, consistency, and affordability. Delivering a solid 2500mAh capacity and a strong 20A continuous discharge rating, this cell is a dependable solution for applications that require steady output without sacrificing efficiency or reliability. Applications / Uses Battery packs for power tools Portable energy storage systems High-drain electronics DIY and professional battery builds General-purpose power applications SPECIFICATIONS Manufacturer Samsung SDI Model INR18650-25R Size 18650 Positive Terminal Flat Top Nominal Capacity 2500mAh Continuous Discharge Rating 20A Nominal Voltage 3.6V Maximum Voltage 4.2V Discharge Cut-Off Voltage 2.5V Protected No Rechargeable Yes Approx. Dimensions 18.33mm × 64.85mm Approx. Weight 43.04g Associated Names 25R5, 25R6, 25R M, 25R8 Data Specification Sheet Samsung 25R Datasheet