If you are not yet familiar with the induction charger, you should know that it represents a small revolution in the world of the smartphone. This flat base has a mAh battery, rechargeable through a USB cable. Once the battery is full, you just have to put your smartphone on it and the energy will be transmitted to it by induction wave. For the more environmentally friendly, this cradle can be charged day and night, so you might as well take advantage of off-peak hours to limit consumption.