Test/Review of Efest 14500 800mAh (Black) 2014

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HKJ
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Joined: 05/24/2011 - 12:23
Posts: 7447
Location: Copenhagen, Denmark
Test/Review of Efest 14500 800mAh (Black) 2014
Efest 14500 800mAh (Black) 2014

DSC_4111

Official specifications:
  • Weight: 55g
  • Length: 49.11mm
  • Diamter: 14.15mm
  • Top: Button top
  • Bottom: protected
  • Typical Capacity: 800mAh
  • Min capacity: 800mAh
  • Max discharge current: 3A
  • Max charge current: 3A
  • Recommended Max Discharge: 1.68A (2C)
  • Cycle life: 300 times
  • Normal Voltage: 3.7V
  • Full Charge voltage: 4.2V
  • Dishcarge temperature range:-10°C—60°C
  • Charge temperature range: 0°C—40°C
  • Storage: 1 year:-20°C—25°C, 3 months:-20°C—45°C, 1 month:-20°C—60°C

Efest%2014500%20800mAh%20(Black)%202014-info

This battery is a protected battery.

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DSC_4112 DSC_4113

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Efest%2014500%20800mAh%20(Black)%202014-Capacity

The performance is fairly good, but with a mismatch in capacity.

Efest%2014500%20800mAh%20(Black)%202014-CapacityTimeHours

Efest%2014500%20800mAh%20(Black)%202014-CapacityTime

Efest%2014500%20800mAh%20(Black)%202014-Energy

Efest%2014500%20800mAh%20(Black)%202014-PowerLoadTime

Efest%2014500%20800mAh%20(Black)%202014-TripCurrent

Efest%2014500%20800mAh%20(Black)%202014-Charge



Conclusion

A acceptable battery, that can deliver up to about 2A.



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

My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/

kreisler
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Joined: 11/12/2011 - 23:32
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Location: Deutcheland

thanks for the tests!!

great battery review as always.

 

Efest? no thanks.

*FMI* i got 4 i/o sh
ImA4Wheelr
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Location: SC

Another great HKJ cell test and report.  Thank you very much for all the time and effort you put into these. Smile