Test/Review of EagleTac 18650 3100mAh (Black)

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HKJ
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Test/Review of EagleTac 18650 3100mAh (Black)
EagleTac 18650 3100mAh (Black)

DSC_0797

Official specifications:
  • 3100mAh IC PROTECTED Rechargeable Cell (takes the place of 2-R123 cells in some applications) (4.2V hot off charger)
  • Uses newest Panasonic 3100mAh LiNiCoAlO2 cells, made in Japan
  • This is the shortest ultra high capacity 18650 ever made WITH protrude top button!
  • Measures only 68mm in height (+/-0.1mm) and 18.5mm in width
  • IC protected for a) over-charge, b) over-discharge, c) short circuit, d) current overflow of 5A+
  • True protrude top design, fits all flashlights
  • High discharge rate 4A-5A
  • Nominal voltage: 3.7V, charge up to 4.2V, use CC/CV charger to charge
  • Reinforced steel plate bottom, highly efficient protective PCB design
  • Packaged in individual box and anti-static bag


EagleTac%2018650%203100mAh%20(Black)-info

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_0795 DSC_0796

DSC_0800 DSC_0801

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EagleTac%2018650%203100mAh%20(Black)-Capacity

EagleTac%2018650%203100mAh%20(Black)-CapacityTimeHours

EagleTac%2018650%203100mAh%20(Black)-CapacityTime

EagleTac%2018650%203100mAh%20(Black)-Energy

EagleTac%2018650%203100mAh%20(Black)-PowerLoadTime

EagleTac%2018650%203100mAh%20(Black)-TripCurrent

The two batteries does not have the same current limit, on trips at 6 ampere the other at 6.5 ampere.
The current limit is placed low enough to prevent overloading the cell, this is very good for people that want maximum battery lifetime without any risk of accidents, but not for people that want to play with high current direct drive configurations.

EagleTac%2018650%203100mAh%20(Black)-Charge



Conclusion

This battery uses a good cell, this secures many things:
  • The batteries does match in capacity, i.e. they can be used in series.
  • The battery is very safe.
  • The battery has the specified capacity (But only when tested at the specified conditions).


All in all a very good 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

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

Edited by: HKJ on 08/17/2012 - 20:26
kreisler
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thanks a lot for the hard work!

 

i luv Eagletac products. maybe you get hold of their new lights one day.

*FMI* i got 4 i/o sh
Olli1783
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I have 5 of them and am very satisfied! Thanks for the test HKJ

Noctigon Meteor M43 

stevetexas
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AW, Callie, etc have a competitor at the high end of the market. 

Tecmo
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I think if money was no object, I'd buy these.  I love ET lights too.

 

Hey kreisler, why don't you get DinoDirect to carry Eagletac products?  Smile

kreisler
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no American non-budget flashlight brand is willing to risk such a deal/dealer *ggg* Oops

Dino wants but ET refuses Wink

*FMI* i got 4 i/o sh
Chidwack
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I looked and the price is $14.95 but shipping was over $14 on UPS.  I didn't see where you can choose USPS which would be less expensive.

Fenix TK41, Olight M20s, Olight M3X, Shiningbeam Blaze, Shiningbeam S-mini (x2), Xeno E03, Klarus P2A, 3xD cell Mag Light, Jetbeam BA20 (x2), Jetbeam BC40, Quark AA2 Tactical, Zebralight H51, Romisen RC-29 II, iTP C7, iTP H01(x3), iTP A3 E0S(x5), Monst

ralf
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GoingGear.com has the EagleTac batteries and offers free shipping on orders of $50 and up.  (Or $5.25 for Priority Mail on lesser orders, which is how I got the EagleTac 18650 and 14500 that I reported on in the Battery Database thread.)

torchythebatteryboy
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Presumably the white EagleTac 3100mAh uses the same Panasonic NCR18650A, but it produces a lower voltage than SenyBor /AW /Xtar.
The pcb is more silver colour compared to Xtar and SenyBor. I wonder if can produce 5A+ current.

Why are AW so much more expensive, or am I just looking in the wrong places?

NightCrawl
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The others might use a better PCB with less resistance, that would explain the different curves.

AW are that expensive because there are people willing to pay it.

jaynick
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i like my eagletac. good size and great mah capacity. good quality build too. i beat up on mine and they are great so far. surprisingly smaller than xtar 2600 18700 in thickness and in length. ive found even though hkj and some other testing shows it will put down 5amps my panasonic cgr still pull higher amps in my direct drive lights.

jaynick
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i forgot to mention i got mine from illumination supply. they have free shipping over X amount also and they have great service!

CM2010
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I got a few of these today but they are white and red in colour is there any difference?

HKJ
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CM2010 wrote:
I got a few of these today but they are white and red in colour is there any difference?

They are still based on the same cell, I do not know if they also uses the same protection as above.

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