A wireless power transmitter comprising: a plurality of first capacitors (C 1,1,..., C 1,n) arranged in parallel; a power inputting unit (210, 410, 510) configured to receive power from a power supply (Vin) and to charge the plurality of first capacitors (C 1,1,..., C 1,n); a transmitting unit (230, 420, 530) configured to transmit resonance power; and a first switching unit (220, 520) configured to control electrical connection of the plurality of first capacitors (C 1,1,..., C 1,n) to the power inputting unit (210, 410, 510) and to the transmitting unit (230, 420, 530); a first controller configured to control: a first charge time during which the plurality of first capacitors (C 1,1,..., C 1,n) are electrically connected to the power inputting unit (210, 410, 510), a first transmission time during which the plurality of first capacitors (C 1,1,..., C 1,n) are electrically connected to the transmitting unit (230, 420, 530), by sensing power stored in the plurality of first capacitors (C 1,1,..., C 1,n); wherein the first switching unit (220, 520) includes a plurality of first switches corresponding to the plurality of first capacitors (C 1,1,..., C 1,n), respectively, and the plurality of first switches are configured to control the electrical connection of the plurality of first capacitors (C 1,1,..., C 1,n) between the power inputting unit (210, 410, 510) and the transmitting unit (230, 420, 530); wherein the first switching unit (220, 520) is configured to control the plurality of first switches to prevent the first charge time and the first transmission time from overlapping with each other, with respect to each of the first capacitors (C 1,1,..., C 1,n); wherein the first switching unit (220, 520) is configured to control the electrical connection such that none of the plurality of first capacitors (C 1,1,..., C 1,n) is electrically connected to both the power inputting unit (210, 410, 510) and the transmitting unit (230, 430, 530) simultaneously, or wherein the first switching unit (220, 520) is configured to selectively (i) charge the plurality of first capacitors (C 1,1,..., C 1,n) during the first charge time, and (ii) discharge power from the charged plurality of first capacitors (C 1,1,..., C 1,n) to the transmitting unit (230, 430, 530) during the first transmission time. a plurality of first capacitors (C 1,1,..., C 1,n) arranged in parallel; a power inputting unit (210, 410, 510) configured to receive power from a power supply (Vin) and to charge the plurality of first capacitors (C 1,1,..., C 1,n); a transmitting unit (230, 420, 530) configured to transmit resonance power; and a first switching unit (220, 520) configured to control electrical connection of the plurality of first capacitors (C 1,1,..., C 1,n) to the power inputting unit (210, 410, 510) and to the transmitting unit (230, 420, 530); a first controller configured to control: a first charge time during which the plurality of first capacitors (C 1,1,..., C 1,n) are electrically connected to the power inputting unit (210, 410, 510), a first transmission time during which the plurality of first capacitors (C 1,1,..., C 1,n) are electrically connected to the transmitting unit (230, 420, 530), by sensing power stored in the plurality of first capacitors (C 1,1,..., C 1,n); a first charge time during which the plurality of first capacitors (C 1,1,..., C 1,n) are electrically connected to the power inputting unit (210, 410, 510), a first transmission time during which the plurality of first capacitors (C 1,1,..., C 1,n) are electrically connected to the transmitting unit (230, 420, 530), by sensing power stored in the plurality of first capacitors (C 1,1,..., C 1,n); wherein the first switching unit (220, 520) includes a plurality of first switches corresponding to the plurality of first capacitors (C 1,1,..., C 1,n), respectively, and the plurality of first switches are configured to control the electrical connection of the plurality of first capacitors (C 1,1,..., C 1,n) between the power inputting unit (210, 410, 510) and the transmitting unit (230, 420, 530); wherein the first switching unit (220, 520) is configured to control the plurality of first switches to prevent the first charge time and the first transmission time from overlapping with each other, with respect to each of the first capacitors (C 1,1,..., C 1,n); wherein the first switching unit (220, 520) is configured to control the electrical connection such that none of the plurality of first capacitors (C 1,1,..., C 1,n) is electrically connected to both the power inputting unit (210, 410, 510) and the transmitting unit (230, 430, 530) simultaneously, or wherein the first switching unit (220, 520) is configured to selectively (i) charge the plurality of first capacitors (C 1,1,..., C 1,n) during the first charge time, and (ii) discharge power from the charged plurality of first capacitors (C 1,1,..., C 1,n) to the transmitting unit (230, 430, 530) during the first transmission time.