Test/review of Enercig 18650 2600mAh (Gray)

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HKJ
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Test/review of Enercig 18650 2600mAh (Gray)

Enercig 18650 2600mAh (Gray)
DSC_5326
Official specifications:


  • Typical capacity: 2600mAh
  • Minimum capacity: 2500mAh
  • Nominal voltage: 3.6V
  • Standard charge: CC/CV, 0.2C, 4.2V
  • Standard discharge: CC, 0.2C, 2.5V
  • End-of-charge voltage: 4.20V +/-0.05V
  • End-of-charge current: 0.02C
  • End-of-discharge voltage: 2.00V
  • Continuous maximum charge current: 5000mA (1.5C)
  • Continuous maximum discharge current: 20000mA (8C)
  • Continuous maximum discharge current: 30000mA (12C) with temp. limited to 80°C
  • Max. discharge current vs. time: 30-40A>33s, 50A>18s, 60A->15s, 80A>9s, 100A->3s
  • Initial impedance: 7-15mOhm
  • Weight: 44.3g +/-1.5g
  • Operating temperature: Charging 0°C ~ 45°C, discharging: -20°C ~ 60°C
  • Storage temperature: -5°C ~ 35°C
  • Cycle life: 300 times to 80% at 0.5C

Enercig%2018650%202600mAh%20(Gray)-info
A high current cells with good capacity.
DSC_5325
DSC_5327 DSC_5328
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Enercig%2018650%202600mAh%20(Gray)-Capacity
Very good discharge curves with perfect tracking and nearly constant capacity up to 20A
Enercig%2018650%202600mAh%20(Gray)-Temp-15.0
Enercig%2018650%202600mAh%20(Gray)-Temp-20.0
Enercig%2018650%202600mAh%20(Gray)-Temp-30.0
At 30A the cell temperature must not be above 80°C, it goes over the limit here, but I do first see it after I have stopped the discharge, because the temperature measure is not instantaneous.
Enercig%2018650%202600mAh%20(Gray)-CapacityTimeHours
Enercig%2018650%202600mAh%20(Gray)-CapacityTime
Enercig%2018650%202600mAh%20(Gray)-Energy
Enercig%2018650%202600mAh%20(Gray)-PowerLoadTime
Enercig%2018650%202600mAh%20(Gray)-TripCurrent
Enercig%2018650%202600mAh%20(Gray)-Charge
Conclusion
This is a very good high current battery, it has fairly high capacity and can deliver a lot of current.
Notes and links
The batteries was supplied by ENERDan for review.
How is the test done and how to read the charts
How is a protected LiIon battery constructed
More about button top and flat top batteries
Compare to 18650 and other batteries

My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/