New 3400mAh RS-RT900866 CMICR18650F5-4S1P Battery For Rowenta Tefal Explorer 20, Explorer 40, Explorer 60 Robot Vacuum Cleaner
Amazon.com: HGUIM 2600mAh/37.44Wh Replacement Battery for Rowenta RS- RT900866 Explorer 20, Explorer 20 RR682, Explorer 20 RR687, Explorer 40, Explorer 40 R727, Explorer 40 RR724, Explorer 40 RR725 : Automotive