Fast energy suitable for the new PowerTube 750 - the smart system. The 4A charger is the perfect charging device with many advantages. It charges quickly, is easy to use, and is visually appealing. This small and compact lightweight is ideal for on-the-go and provides the PowerTube 750 with the necessary energy in no time. It takes six hours for a full charge, while just over two hours are needed for 50% of a battery charge. A great opportunity for a refreshing break in between.