BetaFPV 450mAh 1S 30C 4.35V Battery BT2.0 4PCS

BETAFPV Drone Battery BT2.0 300mAh / 450mAh1S For BETAFPV Ceuts FPV Kit Racing Drone 4.35V

Discover the Excitement of RC Hobbies with Grayson Hobby BETAFPV 450mAh 1S BT2.0 30C Battery (4PCS)

BT2.0 450mAh 1S 30C Battery (4PCS) – BETAFPV Hobby

BETAFPV BT2.0 450mAh 1S 30C Battery (4PCS)

Do I need new battery's ? Or is can I still use the swollen ones. : r/fpv

BETAFPV BT2.0 450Mah 1S 30C (4Pcs) - Quadkart