... BC-27CR 110v DC charger battery for TopconGTS-220,330series,GTS-600 series 2. Input : 110V-230V&50HZ 0.12A ; 1 ... BC-27CR 110v DC charger battery for TopconGTS-220,330series,GTS-600 series ;2. Input : 110V-230V&50HZ 0.22A ;3 ... BC-27CR 110v DC charger battery for TopconGTS-220,330series,GTS-600 series