2 inch - 2.5 inch

GNB 550 mAh 4S 14.8V 80C/160C XT30 Save 9%
GNB 650 mAh 4S 14.8V 80C/160C XT30 Save 6%
GNB 850 mAh 4S 14.8V 80C/160C XT30 Save 8%