The EcoSavers® Smart USB Charging Cable is a micro USB charging cable with integrated digital display which shows you the voltage and the charging current (in A). When the battery of the product which is charged becomes full, the display will automatically shows the voltage instead of charging amperage.
This cable shows you when your mobile phone or other portable equipment is full, so you can disconnect the charger to save energy.
The USB smart charging cable is also a clever product in combination with 5v USB solar cells; this cable shows you how much charging current the solar panel
The Smart USB Charging Cable; another clever product from EcoSavers®