Test / Review: Sibeile IMR18650 3400mAh (Black)

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HKJ
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Test / Review: Sibeile IMR18650 3400mAh (Black)

Sibeile IMR18650 3400mAh (Black)

DSC_3098

Official specifications:

  • Nominal Capacity: 3400mAh(0.2C, 2.50V discharge)
  • Minimum Capacity: 3350mAh (0.2C, 2.50V discharge)
  • Charging Voltage: 4.2±0.05V
  • Nominal Voltage: 3.6V
  • Charging Method: CC-CV (constant voltage with limited current)
  • Charging Current: Standard charge: 1700mAh, Rapid charge: 3400mAh
  • Charging Time: Standard charge: 3 hours, Rapid charge: 2.5 hours
  • Discharge Cut-off Voltage: 2.50V
  • Cell Weight: 48g max.
  • Cell Dimension: Height: 65.00mm max. Diameter: 18.25mm max.
  • Operating Temperature: Charge: 0 to 45 °C Discharge:-20 to 60°C


Sibeile%20IMR18650%203400mAh%20(Black)-info

This battery performs like the Panasonic 3400mAh cell with added protection.

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_3044 battery%20pack-1

After shipping the samples to me, some print was added to the box.

DSC_3099 DSC_3100

DSC_3101
DSC_3102

Sibeile%20IMR18650%203400mAh%20(Black)-Capacity

The discharge curves has good tracking, but the protection in this battery has a rather low current limit, it prevented doing a 3A discharge test.

Sibeile%20IMR18650%203400mAh%20(Black)-CapacityTimeHours

Sibeile%20IMR18650%203400mAh%20(Black)-CapacityTime

Sibeile%20IMR18650%203400mAh%20(Black)-Energy

Sibeile%20IMR18650%203400mAh%20(Black)-PowerLoadTime

Sibeile%20IMR18650%203400mAh%20(Black)-TripCurrent

Sibeile%20IMR18650%203400mAh%20(Black)-Charge



Conclusion

With the exception of the low current limit this cell has good performance.



Notes and links

According to Sibeile the IMR text will be removed from the next batch of cell.
The batteries was supplied by Sibeile 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

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

Edited by: sb56637 on 08/26/2014 - 17:45
djozz
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Thanks!! The low over-current cut-off will not appeal to many flashaholics.

kreisler
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Thanks for your work, HKJ!

(...)

I will stick to generic Protected ncr18650b. Great resilient wrapper, original Panasonic, everybody has them. Wallbuys 13.80$ per pair.

Same with Eneloop, they've become inexpensive (ebay). Why would i bother buying something else.

*FMI* i got 4 i/o sh
MRsDNF
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Thanks HKJ. Would the low current capability of the battery be because off a cheap battery protection circuit?

 

djozz quotes, "it came with chinese lettering that is chinese to me".

                      "My man mousehole needs one too"

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

Milan
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kreisler wrote:

Same with Eneloop, they’ve become inexpensive (ebay). Why would i bother buying something else.


Are you sure they are genuine?
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ryansoh3
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Thanks for the review!

The protection test graph seems a little wonky. I think it should start at 0.0A and should be scaled to a maximum of 3.0A to accurately show the data.

BLF ≠ B-grade Flashlight Forum

 

HKJ
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ryansoh3 wrote:
The protection test graph seems a little wonky. I think it should start at 0.0A and should be scaled to a maximum of 3.0A to accurately show the data.

That would have been better for this cell, but I have kept same format as for all other 18650 batteries (All chart are made from the same scipt).

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

ryansoh3
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I see, thanks for the clarification.

BLF ≠ B-grade Flashlight Forum

 

tivo532
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HKJ

Thanks for your reviews. I’m interested for battery voltage versus current chart. Do you have this data. I may have missed it. Looking for good batteries that doesn’t sag too much at high current. Beer

HKJ
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tivo532 wrote:
HKJ Thanks for your reviews. I'm interested for battery voltage versus current chart. Do you have this data. I may have missed it. Looking for good batteries that doesn't sag too much at high current. :beer:

You can always use my comparator.

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

tivo532
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HKJ wrote:

tivo532 wrote:
HKJ Thanks for your reviews. I’m interested for battery voltage versus current chart. Do you have this data. I may have missed it. Looking for good batteries that doesn’t sag too much at high current. Beer

You can always use my comparator.


Excellent! Exactly what I’m looking for.
Thanks HKJ!
EDCPlus
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Goes to show the Chinese will put IMR on anything just for marketing purposes.

sb56637
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Thanks a lot for the review! Frontpage’d and Sticky’d.

Budget Light Forum ...where Frugal meets with Flashlight!