The result is 420 pounds of unusually quiet motorcycle, with 100 horses and a top speed of 150 mph....He has turned down the rate at which it throttles up, because the intense acceleration at its maximum rate of 550 amps is “a little scary” for the rider....48 separate batteries without damaging them by overcharging, the charger takes just four to six hours to juice up the bike, which can go 60 to 100 miles on a single charge