Lipo 7.4V 300mAh 35C/70C for Polarstar FCU (VB Power) Lipo 7.4V 300mAh 35C/70C for Polarstar FCU (VB Power) Lipo 7.4V 300mAh 35C/70C for Polarstar FCU (VB Power) Lipo 7.4V 300mAh 35C/70C for Polarstar FCU (VB Power) Lipo 7.4V 300mAh 35C/70C for Polarstar FCU (VB Power)