7.4V 4200mah 4S drone Battery

2PCS HRB Lipo Battery 3S 11.1V – 4000mah 4200mah 5000mah 6000mah 4S 14.8V 3300mah 7000mah 6S 22.2V 2S 7.4V 5200mah XT60 T RC Parts