alozzy
Posts: 626
Joined: Fri Jan 20, 2017 4:25 pm
Delivery Date: 18 Jan 2017
Location: Vancouver, BC
Contact: Website

Re: Considering a used LEAF

Thu Jun 08, 2017 8:39 am

Just in case the OP is confused...

The charger is the device that's built into the Leaf and not something that Nissan would upgrade. For all S models that do not include the charge package, the onboard charger is 3.6 kw. For SV/SL models, the onboard charger is 6.6 kw.

The device that you plug the car into is not a charger, it's called an EVSE (L2). The rate of charge from those devices is dictated by the Leaf's onboard charger, so a base model S would always charge at a max rate of 3.6 kw. An S with the charge package or SV/SL would charge at a rate of 6.6 kw on that same EVSE.
Vancouver, CA owner of a 2013 Ocean Blue SV + QC, purchased 01/2017 in WA
Zencar 12/20/24/30A L1/L2 portable EVSE
1-1/4" Curt #11396 hitch
After market, DIY LED DRLs
LeafSpy Pro + Konnwei KW902 ELM327 BT OBDII dongle
Loving my first BEV :D

cwerdna
Gold Member
Posts: 7067
Joined: Fri Jun 03, 2011 4:31 pm
Delivery Date: 28 Jul 2013
Location: SF Bay Area, CA

Re: Considering a used LEAF

Thu Jun 08, 2017 1:30 pm

^^^
Yep. The above case assumes the L2 EVSE is a 30 amp or greater EVSE (max power delivery rate as Clipper Creek calls it below).
30 amps * 240 volts = 7,200 watts = 7.2 kW

These may help.

viewtopic.php?p=332668#p332668
viewtopic.php?p=262630#p262630

https://www.clippercreek.com/three-thin ... arge-time/
https://www.clippercreek.com/ev-chargin ... c-vehicle/
https://www.clippercreek.com/charging-times-chart/

Which OBC the Leaf has dictates its max acceptance rate on L2.

'13 blue Leaf SV w/premium package (owned)
'13 blue Leaf SV w/QC + LED & premium packages (lease over, car returned)
'06 Prius

HomerCooper
Posts: 6
Joined: Thu Jun 08, 2017 12:17 am
Delivery Date: 08 Jun 2017
Location: Minnesota

Re: Considering a used LEAF

Thu Jun 08, 2017 3:00 pm

If I should get a Leaf the SV model seems to be the way to go.
110v plug at 21.43hrs charge time from near depletion isn't too bad. As I'd likely plug it in every other day or something.
Having the 6.6kw version future proofs it if I should update the wall plug. The garage has an unused 220v plug from an old heater. So upgrading the system maybe possible for a lower cost.

Still looking for a bit so maybe closer to end of summer before I get a new car. Just seeing what my best options are. An EV seems like a good way to go.

AlanSqB
Posts: 313
Joined: Mon Aug 04, 2014 5:33 pm
Delivery Date: 26 Jul 2014
Leaf Number: 300613
Location: Fort Collins, CO

Re: Considering a used LEAF

Thu Jun 08, 2017 7:27 pm

Based on your use case, the difference between the two different chargers won't make a big difference. Either the 6.6 or the 3.6 will get you a full battery by morning.

You will want to try to leverage a 240 volt source though as in Minnesota you will probably occasionally want to use the pre-heat function in the mornings to have the car nice and toasty when you get in. Pre-heat and pre-cool work best on 240 as they don't have to use any charge from the battery. When plugged into 120, the car battery is used for pre-heat and pre-cool.

There is a chart on this page https://en.wikipedia.org/wiki/NEMA_connector that can help you identify the type of plug the heater is using. My guess is that it's probably a 6-15 or 6-20. You can send the stock EVSE included with the car to http://evseupgrade.com and they will convert it to 240 for a reasonable price and provide the appropriate adapter for the outlet already in your garage. That would save a significant cost on hiring an electrician.

Best of luck!
2015 LEAF SV in Gunmetal Gray
"The only gas in this vehicle comes from the driver."
I drive a LEAF, it doesn't have Ludicrous or Insane mode. It only has Slightly Annoyed mode.

LeftieBiker
Posts: 6936
Joined: Wed May 22, 2013 3:17 am
Delivery Date: 31 May 2013
Location: Upstate New York, US

Re: Considering a used LEAF

Thu Jun 08, 2017 8:18 pm

Pre-heat and pre-cool work best on 240 as they don't have to use any charge from the battery. When plugged into 120, the car battery is used for pre-heat and pre-cool.


Almost right, but in fact the car always uses the pack to preheat and pre-cool. If you can add an equal or greater amount of charge at the same time, the net result is either no charge lost, or some gained. But the car doesn't actually use the house current from the EVSE for the climate control - it's always from the pack.
2013 "Brilliant Silver" SV with Premium Package and no QC, and 2009 Vectrix VX-1 with 18 Leaf cells.

The most offensive, tasteless phrase in use here is "Pulled the trigger." I no longer respond to posts that use it.

jjeff
Posts: 1409
Joined: Wed Jan 13, 2016 9:10 am
Delivery Date: 13 Jul 2014
Leaf Number: 422121
Location: MSP MN

Re: Considering a used LEAF

Fri Jun 09, 2017 3:49 am

LeftieBiker wrote:
Pre-heat and pre-cool work best on 240 as they don't have to use any charge from the battery. When plugged into 120, the car battery is used for pre-heat and pre-cool.


Almost right, but in fact the car always uses the pack to preheat and pre-cool. If you can add an equal or greater amount of charge at the same time, the net result is either no charge lost, or some gained. But the car doesn't actually use the house current from the EVSE for the climate control - it's always from the pack.

And in my case anyway, I've found I need to add about 18a @ 240v to offset the amount of current required to preheat in very cold weather. IOW with my '12 and it's 3.3kw charger(16a @ 240v max) I slightly lose my SOC% during a full 30 minute preheat(I lose 2-3%) whereas on my '13 with the 6.6kw charger but my EVSE set to 19a @ 240v, I can slightly gain SOC% during a full 30 minute preheat(I can gain 2-3%). Of course with a 30a EVSE and my '13 I can gain quite a bit SOC% even while preheating.
I know this because in the bitter cold when I need my charge the most on my '12, it's a bummer to lose a few SOC% from full charge but again the internal charger just isn't enough to overcome full morning preheat :(
2012 SL purchased used 2/'16
2013 S w/QC purchased new
Juicebox Premium 60a L1/L2 EVSE, Ebusbar 16a L1/L2 EVSE
'12 EVSEupgrade'd 20a L1/L2 EVSE, '13 EVSEupgrade'd adjustable 6-20a L2, 6-13a L1 EVSE
Zencar 13, 20, 30a L1/L2 portable EVSE
GE Durastation 30a

HomerCooper
Posts: 6
Joined: Thu Jun 08, 2017 12:17 am
Delivery Date: 08 Jun 2017
Location: Minnesota

Re: Considering a used LEAF

Fri Jun 09, 2017 5:54 am

I'd assume the car will still work if sitting in frigged temperatures outside for 9hrs unplugged?
Say while sitting at work.

jjeff
Posts: 1409
Joined: Wed Jan 13, 2016 9:10 am
Delivery Date: 13 Jul 2014
Leaf Number: 422121
Location: MSP MN

Re: Considering a used LEAF

Fri Jun 09, 2017 6:06 am

Yes, no problem. If the temps are sub zero at some point the battery warmer may come on, it doesn't draw much but it's to protect the battery and will drop your SOC% a point or two.
The nice thing about a Leaf(post '12) is it starts putting out heat in less than a minute, because it doesn't have to first warm up the engine, then antifreeze, post '12 Leafs in frigid temps all use a direct coil to air heater. The older Leafs used an antifreeze loop and newer Leafs with a heat pump use that down to about the teens after which the heat coil kicks in.
If you had even a simple 120v outlet at work, that would help but isn't necessary unless you need the charge.
2012 SL purchased used 2/'16
2013 S w/QC purchased new
Juicebox Premium 60a L1/L2 EVSE, Ebusbar 16a L1/L2 EVSE
'12 EVSEupgrade'd 20a L1/L2 EVSE, '13 EVSEupgrade'd adjustable 6-20a L2, 6-13a L1 EVSE
Zencar 13, 20, 30a L1/L2 portable EVSE
GE Durastation 30a

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