Test / Review: Cytac 18650 3400mAh (Black)

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HKJ
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Test / Review: Cytac 18650 3400mAh (Black)

Cytac 18650 3400mAh (Black)

DSC_2726

Official specifications:

  • Nominal Capacity: 3400mAh (0.5C Discharge)
  • Minimum Capacity: 3350mAh (0.2C Discharge)
  • Nominal Voltage: 3.70V
  • Voltage at end of discharge: 2.75V
  • Internal impedance: 80mOhm(with PCB)
  • Max Charge Voltage: 4.20V ± 0.03V
  • Standard Charge Current: 0.5C(1700mA)
  • Rapid Charge Current: 1C(3400mA)
  • Standard Discharge Current: 0.2C(680mA)
  • Rapid Discharge Current: 1C(3400mA)
  • Max Discharge Current( For continuous discharge): 1.5C(5100mA)
  • Weight 50±1g
  • Max. Dimension( with PCB): Diameter(?): 18.65mm, Height (H): 68.89mm±0.2mm
  • Operating Temperature: Charge:0 ~ 45°C, Discharge: -20 ~ 60°C
  • Storage Temperature:Within 1 month: -20 ~ 60°C, Within 6 months: -20 ~ 45°C, Within 1 year: -20 ~ 20°C


Cytac%2018650%203400mAh%20(Black)-info

DSC_2722 DSC_2723 DSC_2725

DSC_2729 DSC_2730

DSC_2727
DSC_2728

Cytac%2018650%203400mAh%20(Black)-Capacity

Cytac%2018650%203400mAh%20(Black)-CapacityTimeHours

Cytac%2018650%203400mAh%20(Black)-CapacityTime

Cytac%2018650%203400mAh%20(Black)-Energy

Cytac%2018650%203400mAh%20(Black)-PowerLoadTime

Cytac%2018650%203400mAh%20(Black)-TripCurrent

The current limit is at a good value.

Cytac%2018650%203400mAh%20(Black)-Charge



Conclusion

These batteries uses a undisclosed cell, that works exactly like a Panasonic cell, i.e. it is very good.



Notes and links

The batteries was supplied by Cytac 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

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

Edited by: sb56637 on 08/26/2014 - 17:45
kreisler
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Thanks for your work!

*FMI* i got 4 i/o sh
Woody
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Good to see more options for good 3400mAh cells. Thanks for the review.

Calmaja
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Thanks HKJ.

sb56637
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Thanks a lot for the review! Frontpage’d and Sticky’d.

Budget Light Forum ...where Frugal meets with Flashlight!