Beginners Guide to Processing 18650 Cells | Cell Database



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LG LGDB118650 Cell Specifications
#1
Warning: The information in this thread was obtained from various sources on the Internet, including any datasheets linked below, and is provided for reference only. It is not guaranteed to be accurate. To prevent fire or personal injury, never charge or discharge a cell before verifying the information yourself using the original specifications sheet provided by the manufacturer.

Brand:LG
Model:LGDB118650 (ICR18650B1)
Capacity:2600mAh Rated
Voltage:3.75V Nominal
Charging:4.35V Maximum
1275mA Standard
2550mA Maximum
Discharging:3.00V Cutoff
510mA Standard
5100mA Maximum
Description:Teal Cell Wrapper
White Insulator Ring
18650 Form Factor

Data References:
http://d112tss1dzpest.cloudfront.net/wp-...pdf?323d81

Pictures:
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#2
Has anyone actually had any luck with these cells? All of mine test 1500-1800mah, some even in the 1400mah range. Now I'm charging them to 4.20v, not 4.35v, so I'm loosing some capacity. I wouldn't think it would be THAT much though. They're all new old-stock too. I don't even bother testing them anymore because of this.
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#3
(08-12-2017, 02:45 AM)mike Wrote: Has anyone actually had any luck with these cells? All of mine test 1500-1800mah, some even in the 1400mah range. Now I'm charging them to 4.20v, not 4.35v, so I'm loosing some capacity. I wouldn't think it would be THAT much though. They're all new old-stock too. I don't even bother testing them anymore because of this.

Hi Mike finding the same here from cells made in 2006-7  according to the Decode 18650app. Im not expecting much from them. Lots had popped cid's which I reset (not using in the powerwall) just seeing how the behave.

Jimmy
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#4
I'm trying to identify a teal wrapper/white insulator battery manufactured by LG marked as LGDBB11865. Using the OPUS Testing cycle, i get ~2250mA for a lot of 6 batteries. The extra digit is trowing me off. Any help is appreciated.
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#5
Hi Mike,
Juste found 6 of those cells into a DELL batery pack type M9014.
This batery pack is a 11,1Vdc / 56WH (3S2P)
I = 56 / 11,1 =5,045Ah
so they should be 2500maH.
I will OPUS test them tomorow
Hydroélectric 800W PELTON Générator - 6 x 270W solar Panel
Oct 2017 : 850 cells collected : Test in progress
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#6
(11-29-2017, 10:04 PM)cristof Wrote: Hi Mike,
Juste found 6 of those cells into a DELL batery pack type M9014.
This batery pack is a 11,1Vdc / 56WH (3S2P)
I = 56 / 11,1 =5,045Ah
so they should be 2500maH.
I will OPUS test them tomorow

The datasheet has them listed as 2600 using standard charge/discharge and 2500 minimum. Since we list cells' charge/discharge rates by the "standard" value, I used the 2600 value. It's possible Dell either used the minimum to avoid overspecing them or is discharging at a rate greater than the standard.
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#7
It seems like I'm having bad luck. I got a couple from old laptop batteries from school, but they only have like 1300-1400 mAh and quickly drop down to 4.1v (1hour) but they stay stable afterwards. Do you think I can build a separate small back just from these older cells?
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#8
(12-14-2017, 07:40 AM)V8Power Wrote: It seems like I'm having bad luck. I got a couple from old laptop batteries from school, but they only have like 1300-1400 mAh and quickly drop down to 4.1v (1hour) but they stay stable afterwards. Do you think I can build a separate small back just from these older cells?

That was my experience as well which is why I stopped testing them myself. I was only charging to 4.20v though. Are you using 4.20v or 4.35v?
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#9
(12-14-2017, 03:54 PM)mike Wrote:
(12-14-2017, 07:40 AM)V8Power Wrote: It seems like I'm having bad luck. I got a couple from old laptop batteries from school, but they only have like 1300-1400 mAh and quickly drop down to 4.1v (1hour) but they stay stable afterwards. Do you think I can build a separate small back just from these older cells?

That was my experience as well which is why I stopped testing them myself. I was only charging to 4.20v though. Are you using 4.20v or 4.35v?

I'm using 4.2 as want to combine them with some other 4.2 v max cells. I also like to keep the 4.2 volt standard for ease of use
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#10
I have to agree with above.

From an old Dell 56Wh pack.

All cells charged to 4.2V, will drop quickly to 3.1V on a 1.0A load but stay there forever and can deliver 0.5A for hours..

Maybe not power wall material, but useful for other stuff.

Has anyone tried the MC3000 of GYRFalcon to charge up the 4.3V and 4.35V cells?
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