Safely carry two 18650 batteries with you. Carrying loose batteries in your pocket or purse can easily cause a short if it makes contact with any conductive material.
It is highly recommended to charge your Lithium Ion batteries inside of a LiPo safety bag.
Safely store and carry your 18650 batteries! Keeping loose batteries unprotected in your pocket or purse can cause a short which can become explosive. Don't be stupid, always keep your batteries in a case.
Always inspect for cracks and damage to your sleeves and rewrap them as needed to prevent electrical shorts. its a good idea to properly label your battery after it has been rewrapped for identification.
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