I looked up at http://www.calstart.org/fleets/evfaq.html where they say a
typical 'level 2' charger hookup is 240V/40A. You can also recharge off of a
standard 115VAC 3 wire hookup in a pinch but it takes quite a while.
When in doubt, overkill.
Mark 'measure once, curse twice' Miller
"Lee S. Mairs" wrote:
> Me thinks the power requirement for a battery charger for an all-electric
> car is no great shakes and shouldn't require monster conduit considerations.
> For example, suppose you were charging 12 VDC cells (probably 6VDC cells in
> series-parallel connection), a 70 amp hour charge rate would require 70*12 =
> 840 watts translating to 840/120 = 7 amperes at 120 VAC. Running it
> backwards, a 15 ampere house circuit would produce 15*120 = 1,800 watts
> translating into a 150 amp hour DC charge at 12 Volts. Of course, the
> battery charge won't be 100% efficient as these calculations assume, but
> still indicate nothing special as far as AC current is required.
> Lee Mairs
> '62 Mk II Tri-carb
> It makes no difference whether government controls allegedly favor the
> interests of
> labor or business, of the poor or the rich, of a special class or a special
> the results are the same. The notion that a dictatorship can benefit any one
> group at the expense of others is a worn remnant of the Marxist mythology of
> warfare, refuted by half a century of factual evidence. All men are victims
> losers under a dictatorship; nobody wins-except the ruling clique.
> --Ayn Rand