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Last 10% of charge takes over an hour.

Posted: Sun Apr 15, 2018 7:34 am
by Ronmamaci3
I understand charging rate slows down when it gets closer to full. Is this purposely done to protect the battery from damage? I noticed level 2 and 3 it gets to 80% plus super quick and trickle offs about 90%.

Re: Last 10% of charge takes over an hour.

Posted: Sun Apr 15, 2018 1:57 pm
by bwilson4web
Ronmamaci3 wrote:I understand charging rate slows down when it gets closer to full. Is this purposely done to protect the battery from damage? I noticed level 2 and 3 it gets to 80% plus super quick and trickle offs about 90%.
Correct as when the battery is approaching full, it is very important to not go over. This also reduces the charging heat generated so a little more can be put in the battery. Here is a charge graph including later enabling conditioning:
Image

Bob Wilson