josephsimons, "The magic happens when #pedaling #generates energy, which is then stored in the #supercapacitor, allowing for a rapid #recharge of the system. This #stored #energy can be unleashed for tasks like #climbing hills. With the #PI-POP #electricbike, the days of plugging in to recharge are over; your pedaling recharges it."
https://www.wecb.fm/these-revolutionary-electric-bikes-dont-need-batteries-or-recharging-a-world-first/