For SINO SN-S1 SN-A1
7.4V 5200mAh/38.48Wh
7.4V 2600mAh/19.24Wh
For Sino R500 GNSS GPS/RTK
3.7V 6500mAh/24Wh
For Sino GNSS T30/N3 GPS
7.4V 3400mAh/25.16Wh