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

1 post / 0 new
HKJ
HKJ's picture
Offline
Last seen: 15 hours 4 min ago
Joined: 05/24/2011 - 12:23
Posts: 5999
Location: Copenhagen, Denmark
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_9287DSC_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/