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2x 18650 3.7V Rechargeable Lithium Li-ion Battery Button Top 5000mAh For Headlamp Flashlight

 2x 18650 High performance 5000mAh battery  Li-ion 3.7V Rechargeable


  • Capacity (Ah): 3.8 Ah (5000mAh)

  • Nominal Voltage (V): 3.6V - 3.7V

  • Charging Voltage (V): 4.2 V

  • Weight (g): 46 g /1.62 oz

  • Diameter (mm): 18.6 mm (+/- 0.03)

  • Height (mm): 68.9 mm (+/- 0.03)

  • Max. Discharge rate: 2C (6.8A)

  • Pulse current (5-6 sec.): 10A

  • Chemical Composition: Li-ion (Lithium-Ion) Hybrid

  • Cell model: 18650

  • Button Top: Yes


  • Never use force to install (insert) li-ion battery.

  • Charge fully before first use.

  • Do not expose to heat.

  • Never charge battery over 4.25V 

  • Do not charge unattended.

  • Do not store your li-ion batteries fully charged (for an extended period of time-one month and more).

  • After battery is discharged - don't leave it discharged > charge it as soon as possible.

  • Store in cold and dry place at approximately 3.6V-3.7V

  • Do not try to open, or modify this battery.

  • Do not drop on hard surface 

What is in the box?

Quantity x 2pc 18650 Li-ion rechargeable battery cell 5000mAh