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Efest 18500 IMR V1 Li-MN 1000mAh High Drain 15A Flat

NOVINKA
Cena 7.89
Cena bez DPH 6.58
DPH 20.00 %
Záručná doba 24 mesiacov
Výrobca Efest
Kód produktu EFIMR18500V1
Dostupnosť na sklade
KS

Nabíjací akumulátor Efest 18500 IMR V1 Li-MN 1000mAh High Drain 15A Flat top

Kapacita 1000mAh
Min. Kapacita 1000mAh
Menovité napätie 3.7V
Nabíjacie napätie 4,2 ± 0,05
Zvyškové napätie 3.0V
Max. Discharge 15A (15C)
Nabíjací prúd Max. 1A (1C)
Kladný pól Byt (Flat Top)
Ochrana bez ochrany
Chemické zloženie Limni (IMR)
Priemer 18,30mm ± 0,1
Výška 49,80mm ± 0,1
Hmotnosť 40 g ± 1
Metóda nabíjania CC-CV

 

Test of Efest IMR18500 1000mAh (Purple) 2014Efest IMR18500 1000mAh (Purple) 2014

DSC_5260

Official specifications:
  • Capacity: 1000mAh
  • Min. Capacity: 1000mAh
  • Nominal voltage: 3,7V
  • Charge voltage: 4,2V ± 0,05
  • Discharge voltage: 3,0V
  • Max. discharge current: 15A (15C)
  • Max. charge current: 1A (1C)
  • Positive pole: Flat Top
  • Protection circuit (BMS): no (unprotected)
  • Chemical composition: LiMn (IMR)
  • Diameter: 18,30mm ± 0,1
  • Height: 49,80mm ± 0,1
  • Weight:40g ± 1
  • Charging methode: CC-CV

Efest%20IMR18500%201000mAh%20(Purple)%202014-info

A 18500 cell with a very high maximum current, the rating is higher than for many 18650 cells. This means the cell has a fairly low capacity.

DSC_5259

DSC_5261 DSC_5262

DSC_5263
DSC_5264
DSC_5265

Efest%20IMR18500%201000mAh%20(Purple)%202014-Capacity

The curves overlaps fairly well and the capacity is nearly constant. This is very good performance all the way up to 15A.

Efest%20IMR18500%201000mAh%20(Purple)%202014-CapacityTimeHours

Efest%20IMR18500%201000mAh%20(Purple)%202014-CapacityTime

Efest%20IMR18500%201000mAh%20(Purple)%202014-Energy

Efest%20IMR18500%201000mAh%20(Purple)%202014-PowerLoadTime

Efest%20IMR18500%201000mAh%20(Purple)%202014-TripCurrent

Efest%20IMR18500%201000mAh%20(Purple)%202014-Charge



Conclusion

These battery has very good high current performance, but the size limits the capacity (If you have 15mm more length, you can get more than twice the capacity).
With the performance of these cells, I will call it a good battery.



Notes and links

The batteries was supplied by Akkuteile.de 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
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