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The Samsung 25R 18650 Battery is one of the most popular lithium ion batteries on the market. The 25R offers a great balance of 2500mAh capacity with a 20A continuous discharge rating with a pulse discharge rating of 35A. An all around great battery for many applications.

Model: Samsung 25R / INR18650-25R

Packaging: Individually packed in paper box

Size: 18650

Style: Flat Top

Protected: No

Rechargeable: Yes

Nominal Capacity: 2500mAh (0.2C discharge)

Min Capacity: 2450mAh

Continuous Discharge Rating: 20A

Nominal Voltage: 3.6V

Maximum Voltage: 4.20V

End of Charge Voltage: 4.20V

End of Discharge Voltage: 2.50V

Internal resistance: Max 18mΩ （AC 1kHz) | Typical 13.20mΩ ±2 （AC 1kHz)

Standard Charge: 1.25A

Standard Charge Time: 3 hours

Quick Charge Current: 4A

Quick Charge Time: 1 hour

Approximate Dimensions: 18.33mm x 64.85mm

Approximate Weight: 43.8g