1Made of fireproof cloth, can effecitively isolate the battery from the air and extinguish the fire, when accidental buring or explosion happens during charging 2Double protection flame retardant material, has excellet fire resistance and heat resistance. Reduce the loss caused by combustion and explosion 3A very safe way to charge and store all types of battery, lithium battery, bromine hydrogen battery 4Large space design, more safe to accommodate different battery sizes 5Lightweight and portable, very convenient to carry out