Introducing the new Rover 2 Kit By Aspire a true upgrade from the original Rover kit with improvements across all aspects. The Rover 2 takes compact vaping to a new level with its fit in your hand size and Nautilus vaping performance. The Rover 2 uses the new exciting NX40 mod, which boasts a huge 2200mAh battery that delivers up to 40 watts of power. To complete the new rover 2, Aspire took the legendary Nautilus XS and matched its performance to the NX40 mod.