A contactless power transmitting and receiving system comprising a contactless power transmitting apparatus having an overheat protection function and a contactless power receiving apparatus including a battery cell module and a charging unit to charge the battery cell module with power received from the contactless power transmitting apparatus, said contactless power transmitting apparatus comprising: - a power transmitting unit including a power transmitting coil for transmitting a power to the contactless power receiving apparatus; - a first signal receiving unit for receiving an overheat alarm signal from the contactless power receiving apparatus; and - a contactless power transmission controlling unit for controlling the power transmitting unit to transmit a first power to the contactless power receiving apparatus, and controlling the power transmitting unit to transmit a second power lower than the first power to the contactless power receiving apparatus in the case in which the first signal receiving unit receives the overheat alarm signal, to charge the second power in the battery cell module, thereby allowing the battery cell module not to be overheated the contactless power receiving apparatus comprising: - a contactless power reception controlling unit to detect an overheat of the battery cell module when the charging unit charges the first power in the battery cell module and a second signal transmitting unit to transmit an overheat alarm signal to the contactless power transmitting apparatus if said overheat is detected; - the contactless power reception controlling unit to switch the charging unit in a second power charging mode which allows the second power be charged in the battery cell module when the overheat alarm signal is transmitted to the contactless power transmitting apparatus. - a power transmitting unit including a power transmitting coil for transmitting a power to the contactless power receiving apparatus; - a first signal receiving unit for receiving an overheat alarm signal from the contactless power receiving apparatus; and - a contactless power transmission controlling unit for controlling the power transmitting unit to transmit a first power to the contactless power receiving apparatus, and controlling the power transmitting unit to transmit a second power lower than the first power to the contactless power receiving apparatus in the case in which the first signal receiving unit receives the overheat alarm signal, to charge the second power in the battery cell module, thereby allowing the battery cell module not to be overheated - a contactless power reception controlling unit to detect an overheat of the battery cell module when the charging unit charges the first power in the battery cell module and a second signal transmitting unit to transmit an overheat alarm signal to the contactless power transmitting apparatus if said overheat is detected; - the contactless power reception controlling unit to switch the charging unit in a second power charging mode which allows the second power be charged in the battery cell module when the overheat alarm signal is transmitted to the contactless power transmitting apparatus.