You are eligible to upgrade from the Single to a Dual or Dual+ for $200 off the original price.
Extended range battery shipping Q4 2017 Read more.
You'll receive both a standard and extended range battery. We will ship your board with a standard range battery during your scheduled shipping window. We will send you the extended range battery when they are available, starting in Q4 of 2017 (additional shipping fees and taxes may apply).