No matter whether external battery, smartphone, tablet or notebook: All devices of our everyday digital life should be recharged as quickly as possible. In the table below there are various measurement data for modern USB-C power adapters. In addition to the overall rating, the table shows the energy efficiency for various loads, the standby consumption, the maximum output power for USB-C Power Delivery and possible voltage-current-combinations at the USB-C PD outlet.
Chargers based on GaN technology (gallium nitride semiconductor) are highlighted as well. The necessary electronics for "GaN Tech" are a bit more complicated, but corresponding power supplies are more efficient and up to 50 percent smaller and lighter.
In addition, basic information about the charger can be found under each product name, including the weight and number of USB sockets. Further details such as the maximum output power for each socket and Quick Charge support functions are available as pop-up text.
The color of the overall rating represents the average energy efficiency of any charger. Red represents low efficiency, green higher efficiencies and therefore less energy loss and also less heat.