Test/Review of Samsung ICR18650-22F 2200mAh (Green)

HKJ

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[size=+3]Samsung ICR18650-22F 2200mAh (Green)[/size]

DSC_9402.jpg


Official specifications:
  • Nominal Capacity: 2200mAh
  • Charging Voltage: 4.2V ±0.05 V
  • Nominal Voltage: 3.6V
  • Charging Method: CC-CV (constant voltage with limited current)
  • Charging Current: Standard charge: 1100mA, Rapid charge : 2200mA
  • Charging Time: Standard charge: 3hours, Rapid charge: 2.5hours
  • Max. Charge Current: 2200mA
  • Max. Discharge Current: 4400mA
  • Discharge Cut-off Voltage: 2.75V
  • Cycle life: 300 cycles to 68%
  • Cell Weight: 44.5g max
  • Cell Dimension: Diameter(max.):18.4mm, Height: 65mm max
  • Operating Temperature: Charge : 0 to 45°C, Discharge: -20 to 60°C
  • Storage Temperature 1 year: -20~25°C, 3 months : -20~45°C, 1 month : -20~60°C

Samsung%20ICR18650-22F%202200mAh%20(Green)-info.png


The datasheet for this cell says 2008, i.e. it is a old design, this can also be seen on the limited capacity and current capabilities.

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Samsung%20ICR18650-22F%202200mAh%20(Green)-Capacity.png


The discharge curves looks good enough, good tracking between the cell when not overloaded.

Samsung%20ICR18650-22F%202200mAh%20(Green)-CapacityTimeHours.png


Samsung%20ICR18650-22F%202200mAh%20(Green)-CapacityTime.png


Samsung%20ICR18650-22F%202200mAh%20(Green)-Energy.png


Samsung%20ICR18650-22F%202200mAh%20(Green)-PowerLoadTime.png


Samsung%20ICR18650-22F%202200mAh%20(Green)-TripCurrent.png


Samsung%20ICR18650-22F%202200mAh%20(Green)-Charge.png




[size=+3]Conclusion[/size]

Not the most interesting battery today, but the cell is good enough within its limited capabilities and it can easily surpass some cheap brands.



[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
Compare to 18650 and other batteries
 

CuriousOne

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Oct 14, 2012
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813
Most common type, used in HP laptop batteries. Low chances of getting working ones - capacity is usually low, inner resistance high, heat up while charging, etc.
 

HKJ

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Mar 26, 2008
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Copenhagen, Denmark
Most common type, used in HP laptop batteries. Low chances of getting working ones - capacity is usually low, inner resistance high, heat up while charging, etc.

But obvious there are still some unused available one the market.
I do sometimes meet people that says there is no development in batteries, looking at a cell like this and what we have today shows otherwise.
 

Benny Boy

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Dec 14, 2015
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Alameda, Cal.
Most common type, used in HP laptop batteries. Low chances of getting working ones - capacity is usually low, inner resistance high, heat up while charging, etc.

I bought a few of these (NOS)from a electronics surplus. They are very good cells. They do not even get warm while charging, I get a bit over 2200 mAh, and they hold a charge for months(staying over 90%).

Very high quality. Every one I've got(about 25) work 100% as new. But thanks for stating this disinformation, when you've never even used this model of cell.
 

WalkIntoTheLight

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I just pulled 6 of these from an old HP laptop battery pack (many years old, a few years unused). I haven't checked capacity, but all 6 measure 3.611v +/- 0.001 volts. It looks like they were configured as 3 parallel pairs in series. I can understand why the parallel pairs have the same voltage, but why do all of them? Is it something to do with the battery pack circuitry, or is it normal for these cells to maintain such even voltage, even after years of non-use?
 

HKJ

Flashaholic
Joined
Mar 26, 2008
Messages
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Copenhagen, Denmark
I just pulled 6 of these from an old HP laptop battery pack (many years old, a few years unused). I haven't checked capacity, but all 6 measure 3.611v +/- 0.001 volts. It looks like they were configured as 3 parallel pairs in series. I can understand why the parallel pairs have the same voltage, but why do all of them? Is it something to do with the battery pack circuitry, or is it normal for these cells to maintain such even voltage, even after years of non-use?

That is the job of the battery management circuit. How and when they do it varies (i.e. if it is done during charge or discharge).
 

WalkIntoTheLight

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That is the job of the battery management circuit. How and when they do it varies (i.e. if it is done during charge or discharge).

Ah, okay, thanks. I've read elsewhere on battery pulls that people get quite a variety of voltages. I guess that's just if there are some bad cells in the pack, or if they've been drained too far.
 
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