The Boosted Dual+ is no longer available. Boosted are no longer operating, however, you can still get your hands on a quality Boosted Board here.
The Dual+ has two belt-drive rear wheels powered by a 2,000 watt battery. It can reach a top speed of 22mph and can climb hills with a grade of up to 25%. The standard battery it comes with can get you as far as 7 miles on a single charge and you can purchase the extended battery for an extra $199 which will get you up to 12 miles.
The Boosted Dual+ electric longboard was the benchmark of electric skateboards for many years.