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by slobodanc
Thu May 11, 2017 9:31 am
Forum: Batteries and Charging
Topic: Battery temperature
Replies: 15
Views: 11095

Re: Battery temperature

Oh wow, that explains it then LOL

I am mostly coasting at 90 km/h
thanks for the charts
by slobodanc
Wed May 10, 2017 1:27 pm
Forum: Batteries and Charging
Topic: Battery temperature
Replies: 15
Views: 11095

Re: Battery temperature

Thanks I am bit confused though. If external temp is just 13C in 2nd graph yet the fan starts from the beginning of the session, while on warmer 32C day it started later. 13C day charge starts at 9.5 SOC while I never go that low. I only have about 10km to the charger and start around 20-30 SOC. So ...
by slobodanc
Fri May 05, 2017 12:55 pm
Forum: Batteries and Charging
Topic: Battery temperature
Replies: 15
Views: 11095

Re: Battery temperature

Finally did hear it, but only once.
I think that day was about 20C maybe bit warmer.
I did L3 charge for about 20 min, then drove about 40 km
When I plugged in at home on L2 I heard the fan activate.

So I am guessing up to 20C outside temps L3 charge should not heat up the pack too much.
by slobodanc
Fri Apr 21, 2017 1:18 pm
Forum: Batteries and Charging
Topic: Driving Diary
Replies: 40
Views: 24062

Re: Driving Diary

tractioninc - that is really good fuel economy for February driving. 5.3 miles/kWh is 8.5 km/kWh. I am getting 8.0 km/kWh. Here is a chart showing the fuel economy for 27 cars here on Jeju. I am in the top 10%, but am beaten by 2 or 3 cars. I suspect the BMW i 3 to be at the top. (Soul EV 12 cars, ...
by slobodanc
Thu Apr 13, 2017 1:12 pm
Forum: Batteries and Charging
Topic: Battery temperature
Replies: 15
Views: 11095

Re: Battery temperature

tractioninc wrote:.... the rear fan is under the false-floor in the cargo area.


Oh sweet. I can do a test L3 charge at say 20C, open the trunk and listen for fan at the end of the charge to see if battery is getting hot enough to activate the fan. Awesome :)
by slobodanc
Thu Apr 13, 2017 12:04 pm
Forum: Batteries and Charging
Topic: Battery temperature
Replies: 15
Views: 11095

Re: Battery temperature

Thanks Jeju for interesting posts. Looks like my "hot" summer max 30C temps should be manageable. BTW in general to avoid battery heat buildup (extend lifespan) what would be a good temp limit for L3 charging? I have only 10 min driver to L3, so assume more or less ambient temp battery. 20C?
by slobodanc
Thu Apr 13, 2017 11:59 am
Forum: Batteries and Charging
Topic: Battery temperature
Replies: 15
Views: 11095

Re: Battery temperature

My car's cooling fan is often audible while charging even at 110v (I'm in Atlanta). Even with the fan I'm concerned at the thermal capacity of the air cooling while quick charging. I've used CHAdeMO when summer temperatures are well into the 90's (mid-30's C) and worried the whole time about the ba...
by slobodanc
Wed Apr 12, 2017 11:03 am
Forum: Batteries and Charging
Topic: Battery temperature
Replies: 15
Views: 11095

Re: Battery temperature

Thanks

So if I stand at the back I might be able to hear it.
Not an issue right now, but if I used L3 during summer would like to know if the fan is activated.

I haven't played with the Torquo Pro yet.

thanks, much appreciated
by slobodanc
Wed Apr 12, 2017 7:41 am
Forum: Batteries and Charging
Topic: Battery temperature
Replies: 15
Views: 11095

Battery temperature

Reading some Nissan Leaf discussion they mention a battery temperature displayed in control display. Seems their battery can heat up causing lifespan issues. Since I started using L3 charger I would like to see my battery temp in Kia. However I didn't see any mention of battery temp in manuals or fo...
by slobodanc
Tue Mar 28, 2017 7:02 am
Forum: Batteries and Charging
Topic: Any long term degradation issue for using L3 often
Replies: 0
Views: 6279

Any long term degradation issue for using L3 often

I have access to L3 charger that I could use almost every day. I am wondering if battery may age faster due to frequent fast charge.

This station is about 40 kW
Most charging is done on colder days, so below 10C

Did anyone see increased battery degradation from frequent L3 charging?

thanks

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