Ronmamaci3
Posts: 15
Joined: Wed Mar 21, 2018 5:00 pm

Last 10% of charge takes over an hour.

Sun Apr 15, 2018 7:34 am

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%.

bwilson4web
Forum Supporter
Posts: 575
Joined: Fri Apr 29, 2016 11:59 pm
Location: Huntsville, AL

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

Sun Apr 15, 2018 1:57 pm

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
20k/27k mi 2014 BMW i3-REx
10k/10k mi 2017 Prius Prime

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