Cordless electrosurgical device with jaws and a blade and with a removably connected radio-frequency assembly

The application relates to a cordless cautery and cutting surgical device, comprising at least one modular battery (1880) having a cordless radio-frequency-signal-generation assembly generating an output radio-frequency signal and a first selectively removable connector part (2080) electrically connected to the cordless radio-frequency-signal generation assembly, the cordless radio-frequency-signal-generation assembly operable to supply the radio-frequency signal to the first connector part and a surgical handle having a first handle body portion having a bipolar cautery and cutting end effector having jaws with bipolar contacts and a cutting blade disposed between the jaws and a second handle body portion (1804) connected to the first handle body portion, defining therein an aseptically sealable battery-holding compartment operable to removably hold thereat the battery and having a second selectively removable connector part (2082) operable to removably hold the first connector part thereto, the second connector part electrically connecting the first connector part to the bipolar contacts for supplying the radio-frequency signal to the bipolar contacts when the first and second connector parts are removably secured together.