Puffy BetaFPV batteries are these safe / usable? : r/Multicopter

BetaFPV BT2.0 450mAh 1S 30C Battery (pack of 4) - Unmanned Tech UK

BETAFPV 4pcs BT2.0 550mAh 1S Battery 3.8V 40C/80C Lipo

PH2.0 300mAh 1S 30C Battery(8PCS) – BETAFPV Hobby

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

BETAFPV 5pcs Lava 1S 300mAh Lipo Battery 3.8V 75C LiHV

Do I need new battery's ? Or is can I still use the swollen ones

Tattu LIPO review: R-Line, FunFly and GensTattu - First Quadcopter

BETAFPV 4pcs BT2.0 550mAh 1S Battery 3.8V 40C/80C Lipo

LAVA 1S 300mAh 75C Battery (5PCS) – BETAFPV Hobby

LAVA 1S 300mAh 75C Battery (5PCS) – BETAFPV Hobby

BETAFPV - 🚀The Cetus X features a double battery design

BT2.0 300mAh 1S 30C Battery (8PCS) – BETAFPV Hobby

BETAFPV 4pcs BT2.0 550mAh 1S Battery 3.8V 40C/80C Lipo

LAVA 1S 300mAh 75C Battery (5PCS) – BETAFPV Hobby

Puffy BetaFPV batteries are these safe / usable? : r/Multicopter