On Sep 18, 7:24*pm, The Natural Philosopher
wrote:
charles wrote:
In article ,
* *Doctor *Drivel wrote:
charles wrote:
In article ,
* Doctor *Drivel wrote:
John Williamson wrote:
It allegedly takes a Nissan Leaf to 80% charge in 30 minutes.
The New Toshiba batteries can do 80% charge in 3 mins.
from what size of supply? *Certainly not a domestic 13A one.

Again....The New Toshiba batteries can do 80% charge in 3 mins. *Have you
got that yet?

yes, I got that.

Have you got "From what sort of supply?" *How much capacity have the
batteries and what charging current is needed to get to 80% in 3 minutes.

My car battery is 150Ahr capacity. 80% capacity is 120Ahr. *to provide that
in 3 minutes (1/20th hour) at 12v a charging current of 2400 Amps is
needed. *With a 100% efficient charger a supply capacity of 120 Amps at
mains voltage.

How many AmpereHours are needed for a car battery?

work on at least 25kWh for a little scootabout and 100kwh for a family
saloon.

To charge 100kwh in 3 mins is 2MW. at *400V *that's 5,000 amps.

nothing a bit of T & E cant handle.
Not!


More drivel fromTurNiP.
The traction battery in the Mitsubishi Imiev is 15Kwh.
The Nissan leaf is a bit more.
These cars are all about efficiency and regeneration.