Specification:
Model Name:BT-L1 Battery For Gowin
Capacity:3400mAh
Voltage:7.4V
Type: Rechargeable Li-ion Battery
Package: carton box
Fit the models: Gowin TKS-202, TKS-202R Series Total station
High Quality And Brand New.
Can be charged by Can be charged by BC-L1 Charger,click the picture below to check the charger.