Up to sell! TOPCON BT-52QA Battery with 3 Pin, with specs; INPUT: 110V-230V 50Hz 0.22A, OUTPUT: 9V - 1.8A
Batteries charging: BT-50Q and BT-52QA (BT50Q BT52QA )
Complatible with the following models:
GTS-220, GTS-230, GTS-240, GTS-250, GPT-2000, GPT-3000, GTS-600, GPT-6000 or GTS220, GTS230, GTS240, GTS250, GPT2000, GPT3000, GTS600, GPT6000.