18650 Li-ion Cell 2600mAh 3.7V (Single)

18650 3.7V 2600mAh Rechargeable Lithium-Ion Battery Cell

Standard grade-A 18650 cylindrical lithium-ion rechargeable battery cell. Featuring a nominal voltage of 3.7V and 2600mAh capacity, this flat-top cell is engineered for building custom battery packs, powering LED flashlights, robotics, and portable power banks.

Specifications

• Cell Size: 18650 cylindrical (18 mm diameter × 65 mm length)
• Nominal Voltage: 3.7 Volts (Full charge: 4.2V, Cut-off: 2.75V)
• Nominal Capacity: 2600 mAh (9.62 Watt-hours)
• Max Continuous Discharge Current: 5.2 Amperes (2C discharge rate)
• Cycle Life: ≥ 500 charge/discharge cycles to 80% original capacity
• Terminal Type: Flat-top (ideal for spot-welded nickel strips or battery holders)