Test/review of Golisi IMR20700 3200mAh S32 (Black) 2018

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HKJ
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Test/review of Golisi IMR20700 3200mAh S32 (Black) 2018

Golisi IMR20700 3200mAh S32 (Black) 2018
DSC_9286
Official specifications:


  • Size: 20 × 70mm
  • Model: 20700
  • Capacity: 3200mAh
  • Constant Current: 30A
  • Nominal Voltage: 3.7V
  • Charging cut-off voltage: 4.20±0.05V
  • Cycle times: >800
  • Charging Time: 2.5H(with Golisi Charger)
  • Operate temperature: Charging(0-45?), Discharging(-20-60?)
  • Storage Temperature: Room temperature, dry place

Golisi%20IMR20700%203200mAh%20S32%20(Black)%202018-info
This battery is a high current one and is of the never sizes.
DSC_9285
DSC_9287 DSC_9288
DSC_9289
DSC_9290
DSC_9291
Golisi%20IMR20700%203200mAh%20S32%20(Black)%202018-Capacity
The two batteries do not match completely, the capacity is nearly constant at any load.
Golisi%20IMR20700%203200mAh%20S32%20(Black)%202018-Temp-20.0
Golisi%20IMR20700%203200mAh%20S32%20(Black)%202018-Temp-30.0
At 30A I had to stop early due to temperature.
Golisi%20IMR20700%203200mAh%20S32%20(Black)%202018-CapacityTimeHours
Golisi%20IMR20700%203200mAh%20S32%20(Black)%202018-CapacityTime
Golisi%20IMR20700%203200mAh%20S32%20(Black)%202018-Energy
Golisi%20IMR20700%203200mAh%20S32%20(Black)%202018-PowerLoadTime
Golisi%20IMR20700%203200mAh%20S32%20(Black)%202018-TripCurrent
Golisi%20IMR20700%203200mAh%20S32%20(Black)%202018-Charge
Conclusion
This battery looks like a fairly good high current cell.
Notes and links
The batteries was supplied by Golisi 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 26650 and other batteries

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