| 摘要 |
The invention relates to testing charging capability a power interface of a device, for example, a USB port (12). A method for testing charging capability comprises receiving voltage at a power supply interface of a wireless charging transmitter (10), providing a load (11) between the power supply interface and ground for a duration by a power supply testing circuit of the wireless charging transmitter (10) comprising a charging area (24), measuring a power supply voltage between the power supply interface and the ground over the load (11), and determining a charging capability of the power supply interface on the basis of the measured power supply voltage. The invention further relates to an apparatus and a computer program product. |
