Source:
https://downgpt.com/is-it-safe-to-charge-and-store-a-3s-lipo-battery-without-special-equipment/
Charging and storing a 3S LiPo battery without special equipment isn’t safe. Always use a LiPo-compatible balance charger and a fireproof storage bag or container to prevent overcharging, swelling, or fire risks, ensuring long battery life and safe operation.



