RC Topcon BT-52QA Total Station Ni-MH Battery And Topcon BC-27CR Total Stations charger BT-52QA Battery type:Ni MH Battery BT-52QA NiMH Battery:7.2V, 2700mAh BC-27CR Charger Voltage:110V-230V Compatible with most 3PIN Topcon total station batteries Included: Topcon BT-52QA Battery and Topcon BC-27CR charger