L24 - charging parameters / reports

rolion

Hello,

Played with my L24 charging settings,trying to understand what way best to preserve the battery charges and to extend it,withing my own controls.

So,there are two options for charging controlling / BMS built-in to the car:-
-Full Charge at 100%,no restrictions
-Partial,protected charge at 80%,set by the car controller

Same as abve,with and without the heating timer controller switched ON or OFF.

As per below screenshots,looks like the 80% restricted just cuts the charge at the reaching of the charge preset value.

With the full 100% charge,sometimes the battery / controller squezes a bit more,as per few last spikes or,maybe it charges the 12V on-board battery ?

Irespective of the batetry charge set value,once the heating timer is ON,after the cabin reaches the set value temperature, it gives a short extra charge to bring it back to 80 or full charge but is not using the AC to run the heating elements.

Which way is better "tweaked" for a long time system,ignoring the driving needs fo rnext day capacity stored in the battery !?

Thanks.


FullCharge100 - Heating ON





FullCharge100 - Heating OFF





Full Charge100 - Heating OFF - 12V





PreSet80 - Heating OFF





PreSet80 - Heating ON

Soarer

I think you're way over thinking it.

AhHaor

Soarer wrote: »

I think you're way over thinking it.

Agreed, the L24 seems to have minimal battery degradation. Ideally I wouldn't be rapid charging it all the time, or leaving it at 0% or 100% for months on end, but otherwise I don't think this is even something to be concerned about.

What's your SOH by the way, has it dropped significantly?

rolion

Soarer wrote: »

I think you're way over thinking it.

Thanks.
You dont know me...why do you think i got an electric car, to drive it only ?
No,to play with the car and the electronics.
Once controllers gets bored,time for a new gadget...

Car controlled by me but driven by a very cold wife, it has to be 110% perfect otherwise electrical troubles in range at the return... you just dont wanna know this kind of things,truste me !

Let me ask you...what if you set the charge of the car and timer control and cut the charger time too short... i'm losing on that last end of juice going back in the battery,after heating the car.My charger cuts the charge tiem not the car.

So:
-i have adjusted the charge to start at 1am,to give enough time to charge the battery up to a 80 or 100 capacity;
-allow climate timer to heat the cabin;
-allow the charger to recharge / replenish the lost battery electrons during the climate pump working;
-switch off charger at the appropiate time to allow to safely unplug the cable.

rolion

rolion wrote: »

-allow the charger to recharge / replenish the lost battery electrons during the climate pump working;
-switch off charger at the appropiate time to allow to safely unplug the cable.

Electrons are just merely moved from one location to another. You never loose and readd them them. Also the AC lead is safe to uplug at any time. You don't need to even power it down. There are plenty of safeguards in the system iike 1-3 RCDs in series and sense wire that disconnects the charging point before the live wires are disconncted that pervents arcing and risk of electric shock.

Same as the old Nokia phones where the phone would sense that the user had started to disconnect the battery and proceeded to shutdown before the battery was fully pulled out. Computers are quick.

unkel

Would you not be more interested in trying to charge your Leaf from your solar PV or is the car mostly away from your home during the day? Even if so, charging it at the weekends could make a difference as you have a large PV system. Benefit of charging your car is worth 8c/kWh, I know you don't believe me but heating your water with PV is only worth 2-3c/kWh

If I had a Leaf, I would be mighty interested in using it for V2G / V2H :cool:

highdef

The 152 L24 leaf at home is now almost at 100,000km. It's charged at home 95% of the time @ 16amps. Monday to Friday, it arrives home with close to 0% battery left. The GOM usually gives up about 10km before it gets home. Even with all this, it's still got its 12 bars....it's a great battery with regards to degradation.