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Akumulátor EFEST V1 - IMR18350 (Li-Mn) 700 mAh, BUTTON, bez ochrany

Cena 6.99
Výrobca:
EFEST
Predletovaný výstup:
Bez výstupu
Ochranná elektronika:
Bez ochrany
Kladný pól:
S výstupkom (Button Top)
Formát / Velkosť:
18350

Cena bez DPH 5.83
DPH 20.00 %
Záručná doba 24 mesiacov
Výrobca Efest
Kód produktu AKU-EFEST-IMR18350-700-BUTTON
Dostupnosť na sklade
KS

Akumulátor EFEST V1 - IMR18350 (Li-Mn) 700 mAh, BUTTON, bez ochrany

  • Kapacita: 700mAh
  • Min. kapacita: 670mAh
  • Menovité napätie: 3.7V
  • Nabíjacie napätie: 4,2 ± 0,05
  • Vybíjacie napätie: 3.0V
  • Max. Vybíjací prúd: 10.5A (15C)
  • Max. Nabíjací prúd: 0.7A (1C)
  • Kladný pól: s výstupkom (BUTTON)
  • Ochrana: bez ochrany
  • Chemické zloženie: LiMn (IMR)
  • Priemer: 18,25mm ± 0,1
  • Výška: 35,20mm ± 0,1
  • Váha: 22 g ± 1
  • Spôsob nabíjania: CC-CV

 

Test of Efest IMR18350 700mAh (Purple) BT 2014Efest IMR18350 700mAh (Purple) BT 2014

DSC_6792

Official specifications:

  • Weight: 28g
  • Length: 34.63mm
  • Diameter: 18.31 mm
  • Top: Nipple
  • Bottom: non-procted
  • Typical Capacity: 700mAh
  • Min capacity: 700mAh
  • Continuous Max. Discharging Current: 10.5A
  • Continuous Max. Charge Current: 2.15A
  • Cycle life: 300 times
  • Battery WH: 125WH\Kg
  • Discharge cut-off voltage: 3.0V
  • Voltage: 3.7V
  • Full Charge voltage: 4.2V
  • Temperature: dishcarge temperature range:-10°C—60°C, charge temperature range: 0°C—40°C
  • Storage: 1 year:-20°C—25°C, 3 months:-20°C—45°C, 1 month:-20°C—60°C


Efest%20IMR18350%20700mAh%20(Purple)%20BT%202014-info

A button top high current 18350 cell, being 18350 and high current means low capacity (exactly the specified capacity).

DSC_6791

DSC_6793 DSC_6794

DSC_6795
DSC_6796

Efest%20IMR18350%20700mAh%20(Purple)%20BT%202014-Capacity

The two cells is tracking fairly well and, as can be seen, deliver 10A. The voltage drop is significant at 10A, it is better to stay below 7A.
The flat top version is slightly better at high current.

Efest%20IMR18350%20700mAh%20(Purple)%20BT%202014-CapacityTimeHours

Efest%20IMR18350%20700mAh%20(Purple)%20BT%202014-CapacityTime

Efest%20IMR18350%20700mAh%20(Purple)%20BT%202014-Energy

Efest%20IMR18350%20700mAh%20(Purple)%20BT%202014-PowerLoadTime

Efest%20IMR18350%20700mAh%20(Purple)%20BT%202014-TripCurrent

Efest%20IMR18350%20700mAh%20(Purple)%20BT%202014-Charge



Conclusion

This cell has very impressive high current capability, but do not get it if you want a lot of capacity.
It looks like a good cell.


Notes and links

The batteries was supplied by Efest 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
Comparison to other LiIon batteries

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