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KeepPower 18650 3400mAh 3,7V Li-ion Protected Buttontop

NOVINKA
Cena 16.40
Cena bez DPH 13.67
DPH 20.00 %
Záručná doba 24 mesiacov
Výrobca Shenzhen Keeppower Technology Co., Limited
Kód produktu ACUKP3400
Dostupnosť na sklade
KS

KeepPower 18650 3400mAh 3,7V Li-ion Protected Button top

 

Test of Keeppower 18650 3400mAh (Black)Keeppower 18650 3400mAh (Black)

DSC_2588

Official specifications:
  • 18650 3400mAh Protected Rechargeable Battery
  • Cell: Panasonic NCR18650B 3400mAh
  • Min Capacity: 3250mAh
  • Typical Capacity: 3400mAh
  • Normal Voltage: 3.6V
  • Quality Lithium Ion rechargeable cell
  • In Built Safety Circuitry
  • Protection Circuit (Against overcharge, over discharge, over current and short-circuit.)
  • 4.2 volts max voltage and 3.6 volts nominal voltage

Keeppower%2018650%203400mAh%20(Black)-info

This is the latest cells from Panasonic with the highest capacity.
The cell used can be discharged down to 2.5 volt, in my test I only discharges to 2.8 volt, i.e. I do not measure the full capacity. But then, not all lights will be able to use the full capacity.

DSC_2586
DSC_2589 DSC_2590
DSC_2591
DSC_2592

Keeppower%2018650%203400mAh%20(Black)-Capacity

These batteries are good at both low and higher current.

Keeppower%2018650%203400mAh%20(Black)-CapacityTimeHours

Keeppower%2018650%203400mAh%20(Black)-CapacityTime

Keeppower%2018650%203400mAh%20(Black)-Energy

Keeppower%2018650%203400mAh%20(Black)-PowerLoadTime

Keeppower%2018650%203400mAh%20(Black)-TripCurrent

Keeppower%2018650%203400mAh%20(Black)-Charge



Conclusion

This battery has higher capacity and better high current capacity than its predecessor (3100mAh/NCR18650A).
With the added protection from Keeppower it is a very good battery.



Notes and links

Keeppower is a OEM manufacturer, i.e. many of the batteries they produce is sold with other names on them.

The batteries was supplied by Keeppower 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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