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Efest 14650 IMR V1 Li-MN 950mAh High Drain nechránený

Cena 7.59
Cena bez DPH 6.33
DPH 20.00 %
Záručná doba 24 mesiacov
Výrobca Efest
Kód produktu ACUEF14650
Dostupnosť na sklade
KS

Nabíjací akumulátor Efest 14650 Li-Mn 3,7V 950mAHh nechránený.

 

Kapacita

950mAh

Menovité napätie

3.7V

Charge napätia

4.2V + -0,05

Discharge napätie

2.5V

Vypočítaná vnútorný odpor

0.14 Ohm

Ochrana

nechránený

Pozitívne pól

plochý(Flat Top)

Chémia

(IMR)

Priemer

14,00mm ± 0,1

Výška

65,10mm ± 0,1

Hmotnosť

27 g ± 1

 

Test of Efest IMR14650 950mAh (Red)Efest IMR14650 950mAh (Red)

DSC_1874

Official specifications:
  • Size: 14650
  • Type: Li-Mn Rated
  • Capacity: 950mAh
  • Nominal Voltage: 3.7V Peak Voltage: 4.2V
  • Dimensions: 13.84mmX64.49mm
  • Rechargable: Yes
  • Chemistry:Li-Mn02
  • Style: Flat top (may require a magnetic spacer)

Efest%20IMR14650%20950mAh%20(Red)-info

These batteries is a bit special in size, diameter is like AA batteries, but length is 65 mm. They do show higher capacity than rated.

DSC_1873

DSC_1875 DSC_1876

DSC_1877
DSC_1878
DSC_1879

Efest%20IMR14650%20950mAh%20(Red)-Capacity

Due to the size, this battery has more capacity than any other of the "small" batteries I have tested, but it is significantly below a 18650 battery (The extra 4 mm in diameter gives 2 to 3 times the capacity).
The batteries works fine up to 3A.

Efest%20IMR14650%20950mAh%20(Red)-CapacityTimeHours

Efest%20IMR14650%20950mAh%20(Red)-CapacityTime

Efest%20IMR14650%20950mAh%20(Red)-Energy

Efest%20IMR14650%20950mAh%20(Red)-PowerLoadTime

Efest%20IMR14650%20950mAh%20(Red)-TripCurrent

Efest%20IMR14650%20950mAh%20(Red)-Charge



Conclusion

The battery has an acceptable performance.



Notes and links

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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