Beginners Guide to Processing 18650 Cells | Cell Database


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Slow Cell Charging
#11
(11-14-2017, 02:25 PM)daromer Wrote: Korishan: it was the charge that took the time Smile

At 1A a 2.8Ah cell will take atleast 2.8h. With that said you can not fill the battery 100% with 1A constant current since it will closer to the end go into CV where the current goes down. So 3-4hours for that type of cell is normal.

yup, thats what i was thinking. thanks for confirming.

so if i have anything that takes over 4h i should bin it right? bearing in mind my highest cell is 2.8Ah
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#12
In general it should not take over 4 hours no. If you want to bin it its up to you. I would most likely put it aside. Most of my cells taking that time have been self discharging ALOT.... Smile = bin
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#13
Yeah, I forgot about the CV mode where the amps taper off. So, yeah, that would increase the time needed to fully charge the cell. Smile
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