You don't need the dual charger. Source: Owner of a non-dual-charger who has literally never missed it. I charge at 30mi/hr off a 220v dryer connection in my g

You don't need the dual charger. Source: Owner of a non-dual-charger who has literally never missed it. I charge at 30mi/hr off a 220v dryer connection in my garage, what's not to like?