Or do like some people do:
open the hood of your vehicle,
dangle the EVSE 'pistol' somewhere in there
and lower the hood on the cord
Then plug in your NEMA 5-15 plug

Though most people who follow these steps forget the last line
because their ICE does not have a plug...

Cor van de Water
Chief Scientist
Proxim Wireless Corporation http://www.proxim.com
Email: [email protected] Private: http://www.cvandewater.info
Skype: cor_van_de_water Tel: +1 408 383 7626


-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Roger Stockton
Sent: Wednesday, March 27, 2013 3:04 PM
To: Electric Vehicle Discussion List
Subject: Re: [EVDL] Best J1772 deal, adding a public level-2 charging
ability

Cor van de Water wrote:

> Roger,
> I think you misunderstood the original question.

That is certainly possible ;^>

> Scott wants to keep his off-board Lester charger in case he ever
> gets trouble with an on-board charger, so he can fall back to
> charging at home the same way as today.

Of course, if he is able to use the Lester as his on-board charger, then
he can still use it at home the same as today (unless *it* fails).

> I agree with you that the simplest way could be to carry the Lester
> and allow it to be on-board as it works - if it can convince the
> J1772 outlets (called EV chargers) to power the Lester at 240V.

There should be no issue powering a Lester at 240V, provided the Lester
has an AC inlet for 240VAC.  The Lester has decent power factor, much
better in fact than most on-board switch mode chargers that people use
(e.g. Zivan, etc.).  Obviously, those chargers with active PFC do even
better.

The only possible issue I can see possibly arising is that public EVSEs
may provide anything from 208VAC to 240VAC, and I don't know how
sensitive the Lester is to the precise input voltage.  Worst case, it
would require adding a small transformer that can be switched in to
boost the line voltage to the Lester when using an EVSE that supplies
208VAC.

> There may be reasons that does not work, either when power factor
> of the Lester is not good enough or if there is no space for that
> bulky charger in the vehicle, then it could be better to get a
> modern, small and high efficient switching charger that accepts
> 240V (or both 120/240) and can charge his 120V pack.

Yes, agreed; if he is willing to invest in a second charger, then this
is definitely preferable to losing the passenger footwell to the Lester.

EVers are often reasonably "thrifty" people, so I thought Scott might be
interested to know that using his existing charger is a possible
alternative to buying a new one at this time.

> Personally I am happy with my 120V charger since I can plug
> into a 120V outlet at all places that matter to me,

Although my onboard charger(s) can accept 85-265VAC, I too charge almost
exclusively from 120VAC.

However, now that we have a J1772 EVSE at work, I am seriously tempted
to add a J1772 inlet just so that the charging station will be seen in
use regularly ;^>

Cheers,

Roger.

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