Kastar 4-Pack 7.4V 5800mAh Lithium-Ion Batteries with LTD2 USB Dual Charger Replacement for Topcon BT-60Q, BT-61Q, BT-62Q, BT-65Q, BT-66Q, GMS2 GTS 900, GTS-900A, GPT-9000, GPT 9000, GPT-9000A, ROBOTIC

Package includes four Kastar replacement Lithium-Ion batteries (7.4V, 5800mAh) designed for compatible Topcon total stations and robotic units. The included LTD2 USB dual charger is portable and can charge two batteries simultaneously. The charger features a removable/interchangeable plate so you can swap plates to accommodate different battery styles. Charging options include Micro-USB input and Type-C input (multiple charging option); a Micro USB cable is included. Charger electrical specifications: Input 5V 2-3A 15W; Output 8.4V 800mA(x1) 800mA(x2). An intelligent LED display on the dual USB charger indicates charging progress and remaining battery capacity.