Samsung 25R

The Samsung INR18650-25R is a high-performance 18650 lithium-ion cell designed for applications requiring strong current draw. With a rated capacity of about 2,500 mAh, and the ability to sustain a continuous 20 A discharge, it delivers both decent runtime and solid power delivery. Built for reliability, it’s a great choice for high-drain devices and frequent use.

Key Specifications:

• Capacity (typical): 2,500 mAh

• Minimum capacity: ~2,450 mAh

• Nominal voltage: 3.6-3.7 V

• Full charge voltage: 4.20 V

• Discharge cut-off voltage: ~2.50 V

• Continuous discharge current: 20 A

• Pulse discharge current (short burst): ~100 A (1 second)

• Standard charging current: ~1.25 A

• Maximum recommended charging current: up to ~4.0 A

• Dimensions: Diameter ~18.3 mm; Height ~64.85 mm

• Weight: ~45.0 g

• Cell Type: Unprotected / bare cell (flat top version