Incase frequently updates its car chargers with the latest charging technologies, so it's no surprise that the company has released a Dual Car Charger ($35) with a new feature: dual 2.1-Amp USB ports so two iPads can refuel simultaneously at full speed. While the design is very familiar -- soft touch rubber-coated black plastic with a glossy passenger-facing side and silver charging accents -- the Dual Car Charger's dual 2.1-Amp ports are the first…