Yadea unveils 99 MPH electric motorcycle that charges in 10 minutes
Yadea unveils 99 MPH electric motorcycle that charges in 10 minutes
The newly unveiled Yadea Kemper electric motorcycle offers more than just a speedy recharge, it's also a fast and powerful ride.
I wouldn't be shocked (pun intended) by an electric motorbike that can do 160 kph, but the 10 minute charge rate would be ambitious. From their figures, that's for an 80% charge for a 6.4 kWh battery pack, or 5.12 kWh delivered. Assuming perfect charge efficiency, that's a power rate of 30.7 kW. The C-rate of this battery pack would have to be 30.7/5.12 = 6C.
For comparison, a Hyundai Ioniq 5 automobile has a 58 kWh battery pack and (apparently briefly) supports 350 kW DCFC. The best such battery pack would have a C-rate of 6.03C, but most likely is lower because this rate would imply a charge time of 10 minutes, not the 18 minutes advertised by Hyundai.
So if a major automaker's new(est?) EV is only marginally able to achieve the charge rate of 6C, it doesn't seem likely that a motorbike manufacturer will be able to beat this, let alone have a comparable average charge rate. The same analysis for some of the other electric motorbikes linked from the article have lower peak or average C-rates, and those motorbikes already exist.
TL;DR: charging is hard. Apply heavy skepticism.
You made your point about C-rates, but what about D-rates?
Quiet motorcycles = big D energy.
Everyone knows that.
Sure it does.
Neither of those things.
Kinda seems like one of them-there advertisements.
Like one of the false ones even.
Surely a manufacturer would never post misleading specs!
Aww come on now... I bet it does...
With an 85 pound rider... For about five minutes... Lol
When is it available? I searched online and just saw announcements that it exists, nothing from Yamaha with a release date.
At some point in the future (maybe).
Ha, no.