Samsung 25S 2500mAh 25A


Samsung’s 25R is the go-to 18650 cell for most applications

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“This is a great performing cell, beating any other 2500mAh-2600mAh 18650 available as of June 2018.” — Mooch

Official specifications:

  • Minimum capacity: 2450mAh
  • Nominal voltage: 3.6V
  • Standard charge: CCCV 1.25A, 4.2V, 125mAh cut-off
  • Rapid charge: CCCV 4A, 4.2V, 100mAh cut-off
  • Maximum continuous discharge: 25A, 35A with 80°C cut-off
  • Discharge cut-off: 2.5V
  • Cycle life: 250 cycles to 60% with 4A charge and 25A discharge.
  • Operating temperature: Charge: 0°C ~ 50°C, discharge: -20°C ~ 80°C
  • Storage temperature: 1 month: 0°C ~ 60°C, 3 months: 0°C ~ 45°C, 1.5year 0°C ~ 25°C


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