Test/Review of Xtar 14500 800mAh (Black)

HKJ

Flashaholic
Joined
Mar 26, 2008
Messages
9,713
Location
Copenhagen, Denmark
[size=+3]Xtar 14500 800mAh (Black)[/size]

DSC_5301.jpg


Official specifications:
  • Capacity: 800mAh
  • Nominal voltage: 3,7V
  • Charge voltage: 4,2V +-0,05
  • Discharge voltage: 2,5V
  • Positive pole: Button top
  • Protection circuit (BMS): yes
  • Chemical composition: LiNiCoAlO2
  • Diameter: 14,3mm ± 0,2
  • Height: 50,5mm ± 0,5
  • Weight: 28g ± 1
  • Charging method: CC-CV

Xtar%2014500%20800mAh%20(Black)-info.png


AA sized 3.7 volt LiIon battery from Xtar.

DSC_5300.jpg


DSC_5302.jpg
DSC_5303.jpg


DSC_5304.jpg

DSC_5305.jpg


Xtar%2014500%20800mAh%20(Black)-Capacity.png


The two batteries tracks fairly well for 14500 batteries, but definitely not perfect. The capacity is 800mAh at low loads but drops at higher loads.

Xtar%2014500%20800mAh%20(Black)-CapacityTimeHours.png


Xtar%2014500%20800mAh%20(Black)-CapacityTime.png


Xtar%2014500%20800mAh%20(Black)-Energy.png


Xtar%2014500%20800mAh%20(Black)-PowerLoadTime.png


Xtar%2014500%20800mAh%20(Black)-TripCurrent.png


Xtar%2014500%20800mAh%20(Black)-Charge.png




[size=+3]Conclusion[/size]

The battery has an acceptable performance, but it is possible to find better performing battery (That are slightly longer).



[size=+3]Notes and links[/size]

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
 

candle lamp

Flashlight Enthusiast
Joined
Jun 16, 2010
Messages
1,572
Location
South Korea
Excellent test review. HKJ! :thumbsup:

The keeppower 800mAh(black) looks good and has the almost same track to ~2A current as 840mAh(black) 2014.

But their length are longer than Xtar 800mAh(black) as you mention. Do you know why their cells are longer?
 

newbie66

Flashlight Enthusiast
Joined
Mar 2, 2013
Messages
1,057
Location
Malaysia
HKJs' reviews are always excellent! It gave me confidence in buying my cells.

Wonder if the extra length is due to extra/better protection.
 
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