... charger 2. for topcon robotic total station GTS-220,330series,GTS-600 series ; 1. Topcon BC-27CR battery charger for topcon robotic total station GTS-220,330series,GTS-600 series ;2 ... with high quality ;9. bulk purchase , favorable prices .Larger pictures : Topcon BC-27CR battery charger for topcon robotic total station GTS-220,330series,GTS-600 series