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Cell Database Submissions and Updates
#71
Photo 
I think I've got something new here for the database.  Spotted these in the recycling bin at work and thought I would test them out.  One needed a trickle charge but the tested out at 2555, 2679, and 2712

Specs are available on the website: http://www.efestpower.com/index.php?ac=a...ad&did=396

Model: IMR18650

Rated capacity: 3000mAh
Nominal Voltage: 3.7V
Voltage cut-off: 2.5V
Max Charging Current: 4A
Standard Charge: 2A
Discharging Current: 20A
Plus Discharging Current (their words not mine): 35A
Charging Temperature Range: 0 - 45C
Discharging Temperature Range: -20 – 75C



hbpowerwall likes this post
Mobilis in Mobili
 
Cell count as of 9/16/2019
128 Cells >2000mAh, >80% Rem. Cap., 14 day resting voltage >4.12V
146 Cells of Everything Else
83 In progress
 
Aiming for 8 cells tested a day
More info on my Google Drive
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#72
Manufacturer: unknown
Model: ICR18650SY
Form: 18650
Rated capacity: 2500mAh
Nominal voltage: 3.7V





Measured capacity: 2212mAh
Test equipment: Turnigy Accucell-6 80W
Test current: 1A
Cutoff voltage: 2.9V
Weight: 45g
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#73
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#74
Does anyone have any photos of the Samsung INR18650-35e cells?

https://www.orbtronic.com/content/samsun...50-35e.pdf
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#75
New user here, signed up to post this apparently new battery for the database. Picked this up from a recycle yard and googling the numbers returned no info. There were 6 batteries in the pack. Here are pics and the text from the battery.
B
GE0FHH3
035566 (serial number as they are sequential on the batteries)
3


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#76
I have these same cells in dark purple.



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#77
I have these cells too, but from a different factory LGGBF1L1865

 
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#78
Got a couple,

First one is a total mystery. Pulled from a pack like this.

According to the pack its11.1V at 8800mAh makes sense for all the cells to be 2200mAh.
Well I tested these with 4 different testers and they come up every time at least at 2500mAh and up.
 
No markings at all on the gray wrapper even with a searchlight and microscope.
   
Decided to unwrap one and there were these markings and that's it.


The other one I could not find in the cell database or anywhere else for a matter of fact.
It is self explanatory as far as mAh is concerned but no other specs.
on the SkyRC M3000 the are showing ~2150mAh so not a bad cell.


Wolf
If 18 X 650 = 2200+mAh then we have power! 
May all your Cells have an IR of 75mΩ or less Smile
Last count as of 8/7/2019
Total Number of Cells Recorded and processed                 6149
Total Cells required for PowIRwall                                   2856
Total Cells ≥2200mAh, ≥80%, ≥35mΩ, ≤75mΩ, ≥4.12V   2760
For Info Google Drive
Not your average Wolf       
            Cool
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#79

 
 

Just got over a cell that seems to miss in the database.


I found a webpage with specs here: https://www.dnatechindia.com/LG-MJ1-1865...india.html

LG MJ1 18650 Battery
  • Model: LG
  • Part Number: LGGBMJ11865
  • Cycle Life: 400
  • Nominal Voltage: 3.635 Volts
  • Nominal capacity: 3500 mAh
  • Minimum capacity: 3400 mAh
  • Max. Charge Voltage: 4.2 ± 0.05 Volts
  • Max. Charge Current: 1.0 C (3400mA)
  • Max. Discharge Current: 10 Ampere
  • Weight: 49.0 Grams
  • Operating Temperature Charging: 0 ~ 45°C
  • Operating Temperature Discharging: -20 ~ 60°C
  • Diameter: 18.4 +0.1 / -0.3 mm (Max. 18.5 mm)
  • Height: 65.0 ±0.2 mm (Max. 65.2 mm)

EDIT:
Found a Datasheet here: https://www.nkon.nl/sk/k/Specification%2...8.2014.pdf

EDIT 2: 
Possibly the same as LGDBMJ11865:
https://secondlifestorage.com/t-LG-LGDBM...ifications
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#80
Model Number: US18650VTC5
Cell Name: US18650VTC5 
Sony Code: 49928190
Cell Shape: Cylindrical
Size (with plastic tube)  : Diameter 18.35mm max Length 65.20mm max
Weight: 44.3g Average

Rated Capacity (0.2C discharge) 2500mAh 9.00Wh minimum capacity at room temperature,2.0V cut off
Capacity at 1C 2563mAh 9.23Wh average capacity at room temperature,2.5V cut off
Capacity at 10A 2577mAh 8.80Wh average capacity at room temperature,2.5V cut off
Nominal Voltage 3.6V
internal Impedance 13.0mΩ Typ.measured by AC1kHz
Cycle Performance 70%  Min. of Initial capacity at 300 cycles 10A discharge at room temperature,2.5V cut off

Charge Method : constant current constant voltage     
Charge Up Voltage : 4.2± 0.05V       
Charge Current : 2.5A       
Charge Time : 2.5h       
Ambient Temperature  : 23 C

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