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Panasonic NCR18650B 3400mAh 3.7V Protected button top

ODPORÚČAME
Cena 16.40
Cena bez DPH 13.67
DPH 20.00 %
Záručná doba 24 mesiacov
Výrobca Panasonic
Kód produktu ACUNCRPCBN
Dostupnosť na sklade
KS

Nabíjací akumulátor Panasonic NCR18650B 3400mAh Li-ion 3.7V chránený 

Panasonic 3.7V 3400mAh NCR18650B PCB

Ochrana  IC / PCB proti skratu, prebíjaniu a ochrana proti nadmernému vybitiu 
Vysoko kvalitné články  s dlhou životnosťou a vysokou odolnosťou. 

Kapacita 3400mAh
Minimálna kapacita 3250mAh
Menovité napätie 3.6V
Nabíjacie napätie 4.2V
Max. Vybíjací prúd 2C - 6,8A
Max. Nabíjací prúd 0.7cm 2A
Zvyškové napätie 2.75V
Ochrana  Seiko PCB (made in Japan)
Kladný pól Vyvýšený (button top)
Chémia LiNiCoAlO2
Priemer 18,50mm ± 0,15
Výška 69,40mm ± 0,15
Hmotnosť 46 g ± 1
Metóda nabíjania CC-CV

 

Panasonic NCR18650B Protected 3400mAh (Green)


DSC_1075

Official specifications:

  • Original Panasonic (Industrial) products, Made in Japan
  • Capacity: 3400mAh (Min 3250mAh)
  • Charging volt: 4.2v
  • Max charge current 0.7C 2A
  • Recommend discharge current 1C 2.9A
  • Discharge Termination Voltage: 2.5V
  • Protection kicks in : 2.75v and 4.2v
  • Over-Charging / Draining at 4.2v / 2.75v
  • Protection Circuit installed
  • Weight : 47g
  • Size 18.50mm x 70.5mm (Larger than non-protected)
  • The voltage of full charge & empty condition is 4.2v & 2.75v respectively


The above specifications is from the dealers website and there is a few errors in it!

Panasonic%20NCR18650B%20Protected%203400mAh%20(Green)-info

This battery is not made by Panasonic. The cell inside the battery is from Panasonic, the protection cirucit and the assembly work is done by somebody else.
Notice the length of the battery, it is the longest 18650 I have seen to date.

DSC_1073 DSC_1074

DSC_1076 DSC_1077

DSC_1078

DSC_1079

Panasonic%20NCR18650B%20Protected%203400mAh%20(Green)-Capacity

The capacity looks very good as expected for a Panasonic 3400 mAh battery.

Panasonic%20NCR18650B%20Protected%203400mAh%20(Green)-CapacityTimeHours

Panasonic%20NCR18650B%20Protected%203400mAh%20(Green)-CapacityTime

Panasonic%20NCR18650B%20Protected%203400mAh%20(Green)-Energy

Panasonic%20NCR18650B%20Protected%203400mAh%20(Green)-PowerLoadTime

Panasonic%20NCR18650B%20Protected%203400mAh%20(Green)-TripCurrent

The protection at 6.5A makes it very difficult to overload these batteries, but is high enough for any normal use.

Panasonic%20NCR18650B%20Protected%203400mAh%20(Green)-Charge



Conclusion

This is a very good battery, except for the length. Only buy it if you know you equipment can use a very long battery!



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

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