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These high performance 18650 lithium ion 3.7V batteries offer high performance and long life from a compact package. They are 18.6mm in diameter and 65mm long. Lithium-ion rechargeables offer excellent properties for use in consumer devices, including excellent energy density and low maintenance. Lithium-ion do not suffer from memory effect and possess no regular cycling that batteries often require to extend their service life.

Common applications for 18650 cells include:
Laptop computers
LED flash lights
Electric vehicles
Power tools
Converting AA or AAA powered products over to higher performance (providing voltage matches).

Note: These are an unprotected cell and should only be used in situations where a charging circuit is controlling the discharge and recharge of the cell. Incorrect usage of lithium cells can cause fire and advice should be sought before utilising them in any circuit for your project.

Information & Downloads

  • Altronics Code: S4732
  • I/N: 13122
  • Barcode: 9321758177723
  • Shipping Weight: 0.06000Kg
  • Packaging Sizes
  • EACH: 1
  • CARTON: 100
  • Large Image 1


  • Nominal Capacity: 2600mAh (0.2C, 2.75V discharge)
  • Minimum Capacity: 2550mAh (0.2C, 2.75V discharge)
  • Charging Voltage: 4.2 ± 0.05 V
  • Nominal Voltage: 3.63V
  • Charging Method: CC-CV (constant voltage with limited current)
  • Charging Current: Standard charge: 1300mA, Rapid charge : 2600mA
  • Charging Time: Standard charge : 3hours, Rapid charge : 2.5hours
  • Max. Charge Current: 2600mA (ambient temperature 25°C)
  • Max. Discharge Current: 5200mA (ambient temperature 25°C)
  • Discharge Cut-off Voltage: 2.75V
  • Cell Weight: 45.0g max
  • Cell Dimension: Height : 65.00mm max, Diameter : 18.40mm max
  • Operating Temperature: Charge : 0 to 45°C, Discharge: -20 to 60°C
  • Storage Temperature: 1 month: -20~60°C, 3 months: -20~45°C, 1 year: -20~25°C
    • *Specifications are subject to change without notice.

Warranty & Returns


We offer 12 months warranty on this product from its date of purchase. This is available from Altronics stores, online purchases or Altronics resellers. In accordance with our full warranty terms we will repair, replace or refund if goods you have purchased from us are defective.


Not withstanding our warranty policy, if you are dissatisfied with our goods or service you may return the goods within 14 days of our despatch date. Simply contact us for a return authorisation number and we will refund your purchase in full, less transport costs on receipt of goods. All returned goods must be in as sold condition including all packaging, instructions, invoices etc.