77BDC58 & 77CDC68D Dual Combo Pack
The AdirPro 77BDC58 Li-Ion Battery is designed for long lasting power on the go. Compatible with Sokkia SRX robotic total stations, SETX total stations, and GRX1 GPS receivers, this rechargeable battery has a durable and lightweight construction for easy storage and transport. It has an output voltage of 7.2V and 5200 mAh capacity.
The AdirPro 77CDC68D Dual Charger for Topcon and Sokkia Li-Ion Batteries is an inexpensive alternative to the Sokkia CDC68D dual charger. It is designed to simultaneously recharge two batteries at a time, either the Topcon BDC70 or Sokkia BDC46, BDC58 and BDC70, all of which are Li-Ion batteries. It's easy to use and low-cost. This charger has an input voltage of 100-240V and charges a single battery at a time.
These items are not manufactured by Sokkia or Topcon.