There are a lot of mixed reviews of the effectiveness of halon on li-ion batteries on fire. It definitely failed on actual battery cargo. One battery in luggage

There are a lot of mixed reviews of the effectiveness of halon on li-ion batteries on fire. It definitely failed on actual battery cargo. One battery in luggage may be stoppable but I wouldn't want to find out first hand. https://batterybro.com/blogs/18650-wholesale-battery-reviews/19673027-plane-safety-systems-are-confirmed-to-not-stop-lithium-ion-battery-fires https://batterybro.com/blogs/18650-wholesale-battery-reviews...