Test/review of nicjoy 18650 2600mAh (Green-brown)

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HKJ
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Test/review of nicjoy 18650 2600mAh (Green-brown)

nicjoy 18650 2600mAh (Green-brown)
DSC_9846
Official specifications:


  • Battery Capacity (FastTech Tested): 2600 mAh
  • Battery Capacity (Mfg Rated): 2600 mAh
  • Battery Chemistry: INR – LiNiCoMnO2
  • Battery Feature: Rechargeable
  • Battery Form Factor: INR 18650
  • Battery Maximum Voltage: 4.2±0.05 V
  • Battery Minimum Voltage: 2.75 V
  • Battery Rated Voltage: 3.7 V
  • Max. discharge current: 5.2A
  • Continuous discharge current: 1.3A

nicjoy%2018650%202600mAh%20(Green-brown)-info
This is a 2600mAh 18650 battery from a rewrapper.
DSC_9844 DSC_9845
DSC_9847 DSC_9848
DSC_9849
DSC_9850
DSC_9851
nicjoy%2018650%202600mAh%20(Green-brown)-Capacity
The discharge curves look good with close tracking and nearly constant capacity. The cell get too hot at 15A, not surprising with a cell rated for around 5A.
nicjoy%2018650%202600mAh%20(Green-brown)-Temp-7.0
nicjoy%2018650%202600mAh%20(Green-brown)-Temp-10.0
nicjoy%2018650%202600mAh%20(Green-brown)-Temp-15.0
The cell got to hot and I terminated the test.
nicjoy%2018650%202600mAh%20(Green-brown)-CapacityTimeHours
nicjoy%2018650%202600mAh%20(Green-brown)-CapacityTime
nicjoy%2018650%202600mAh%20(Green-brown)-Energy
nicjoy%2018650%202600mAh%20(Green-brown)-PowerLoadTime
nicjoy%2018650%202600mAh%20(Green-brown)-TripCurrent
nicjoy%2018650%202600mAh%20(Green-brown)-Charge
Conclusion
The battery has acceptable performance, but it is a fairly low capacity cell with fairly low maximum current.
Notes and links
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/