Forum Discussion
Reisender
Feb 13, 2022Nomad
monkey44 wrote:
Can someone explain to me the actual time in minutes or hours, whatever. How long is a 'fast charge'. Assume you have a three quarters batter discharge on a trip. How long does it take to recharge that battery.
People keep saying fast charge and quick charge which no definition in time.
Not to argue 'gas vs electric', just comparing time to fill tank vs time to charge when you are on a trip that's more miles than a battery will take you and you need a charge somewhere, wherever that exists.
Depends. So many variables. A typical supercharger stop for a sedan like ours is 15 to 20 minutes on a V3 250 kw supercharger. But that’s because most of us hit the road before 90 percent as charging slows down a lot after that. 3 hours later rinse and repeat.
Trucks? Who knows. Those are bigger batteries and none of the manufacturers have indicated what speeds they will charge at. Theoretically big batteries could take advantage of the 350 kw electrify American chargers but who knows what rate they will charge at. Right now Tesla peak out at 250 kw but that’s typically below 40 percent charge. It tapers after that. Think we’ll all have to wait. Suffice to say it will be quite a bit slower than diesel or gas. If that’s someone’s number one performance criteria I would say gas or diesel is the way to go.
Unofficially fast charging and quick charging are two different things. Retailers sometimes refer to higher current L2 EVSE’s (charge stations) as quick chargers. These are the charge stations that people install in their homes. They are not chargers. They are essentially a fancy extension cord with a bunch of safety protocols that connects AC current to the cars built in chargers.
The term fast charger refers to a DC fast charger. Here the big gas pump looking thing delivers DC current directly to the battery at up to 350 kw ( and as low as 25 kw although those are rare).
I’ll put some pictures up later.
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