Embodiments include methods, systems, and computer program products of a Wi-Fi charging system. An example Wi-Fi charging system includes a plurality of chargeable devices (CD) configured to be charged wirelessly. The plurality of chargeable devices is grouped into a fully charged group, and a need-charging group according to a charging status of each of the plurality of chargeable devices respectively. The Wi-Fi charging system also includes at least one access point (AP) that wirelessly charges the chargeable devices using a Wi-Fi communication network. The access point uses a first AP channel to transmit a plurality of data packets to the chargeable devices in the fully charged group, and a second AP channel to transmit a plurality of data packets and a plurality of charging packets to the chargeable devices in the need-charging group

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