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Efest 26650 IMR 3,7V Li-MN 3500mAh 32A/64A nechránený

AKCIA
Cena 10.97
Pôvodná cena 12.90
Zľava 15.00 %
Cena bez DPH 9.14
DPH 20.00 %
Záručná doba 24 mesiacov
Výrobca Shenzhen Fest Technology
Kód produktu EFEST2665032A
Dostupnosť na sklade
KS

Efest IMR 26650  3,7V Li-MN 3500mAh 32A/64A  nechránený

 

Typ. Kapacita

3500mAh

Min. Kapacita

3400mAh

Menovité napätie

3.7V

Nabíjacie napätie

4.2V ± 0.1V

Zvyškové napätie

2.5V

Max. Prúdový výstup spojitý / krátka doba

32A / 64A

Chemické prísady.

LiNiMnCoO2

Ochrana proti skratu

nie

Kladný pól

mierne vzrástol

Priemer

26,10mm ± 0,15 mm

Výška

65,7mm ± 0,15 mm

Hmotnosť

92 g ± 1

Metóda nabíjania

CC-CV

 

Test of Efest IMR26650 3500mAh (Purple) 2014Efest IMR26650 3500mAh (Purple) 2014

DSC_6765

Official specifications:
  • Typical capacity: 3500,Ah
  • Maximum discharge current: 32A
  • Maximum pulse discharge current: 64A
  • Maximum charge current: 6.5A
  • Resistance: 13mOhm +/-2mOhm
  • Nominal voltage: 3.8 volt
  • Discharge cut-off voltage: 2.5 volt
  • Full charge voltage: 4.2 volt
  • Temperature range: -20°C ~ 60°C
  • Temperature range discharge: -20°C ~ 60°C
  • Temperature range charge: 0°C ~ 45°C
  • Monthly self-discharge rage: <=0.5%

Efest%20IMR26650%203500mAh%20(Purple)%202014-info

A high current 26650 batteries, this time Efest has printed both the pulse and the continuous rating on the battery.

DSC_6764

DSC_6766 DSC_6767

DSC_6768
DSC_6769

Efest%20IMR26650%203500mAh%20(Purple)%202014-Capacity

The discharge curves is tracking nicely and capacity is nearly constant up to 20A and do also match the marked capacity. The 30A curve is a bit high for the battery.

Efest%20IMR26650%203500mAh%20(Purple)%202014-CapacityTimeHours

Efest%20IMR26650%203500mAh%20(Purple)%202014-CapacityTime

Efest%20IMR26650%203500mAh%20(Purple)%202014-Energy

Efest%20IMR26650%203500mAh%20(Purple)%202014-PowerLoadTime

Efest%20IMR26650%203500mAh%20(Purple)%202014-TripCurrent

Efest%20IMR26650%203500mAh%20(Purple)%202014-Charge



Conclusion

It looks like this battery follows the Efest style for the purple batteries with very good high current performance. The price for this high current performance is less capacity.



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
Compare to 18650 and other batteries
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