18650 Li-ion Rechargeable Battery INR18650

INR18650-25P is a high-performance rechargeable lithium-ion battery cell designed for applications requiring reliable power and extended cycle life. This cell delivers 2500mAh capacity with excellent discharge characteristics, making it ideal for power tools, e-bikes, electric vehicles, flashlights, and DIY battery packs.

Featuring a flat top design without built-in protection circuit, this cell is perfect for spot welding into custom battery packs with external BMS protection. The 10A maximum continuous discharge current supports moderate to high-drain applications effectively. Suitable for both series and parallel configurations in multi-cell battery assemblies. This authentic Samsung cell meets international safety standards and provides dependable performance for professional and hobbyist projects alike.

Specification :

• Model: INR18650-25P
• Battery Type: Lithium-ion (INR Chemistry)
• Nominal Voltage: 3.6V
• Nominal Capacity: 2500mAh (2.5Ah)
• Minimum Capacity: 2450mAh
• Charging Voltage: 4.2V ±0.05V
• Discharge Cut-off Voltage: 2.5V
• Standard Charge Current: 1.25A (0.5C)
• Maximum Charge Current: 4A
• Maximum Continuous Discharge: 10A (20A pulse)
• Internal Resistance: ≤35mΩ
• Cycle Life: ~500 cycles (80% capacity retention)
• Cell Design: Flat Top (no button)
• Protection Circuit: None (requires external BMS)