Everyone should have a healthy respect for the power that is in batteries...any battery... Lithium ion (Li-ion) batteries are used in multiple devices such as flashlights, cell phones, laptop computers, as well as e-cigarettes. All have the "potential" to vent gas, some have the potential to vent flames, and if enclosed in a metal tube or box without vent holes have the possibility to explode.
IMR batteries are quite safe. Their chemistry is inherently safer than ICR batteries and do not require the IC that so-called protected batteries have. Use common sense and safe battery habits and the likelihood of a battery incident will be nil.
Stop using common sense and stop using safe battery habits and the chances greatly improve that a battery incident can happen.
Use only the right battery for the application you use. Use name brand batteries such as AW, Efest, EH, Orbtronics, Panasonic, Samsung, Sanyo, and Sony. Avoid using Surefire, Trustfire, and Ultrafire batteries. Do not use generic no-name batteries.
IMR (Li-Mn) batteries better suit our purposes than do ICR (Li-Ion) batteries. Never use non-rechargeable batteries or un-protected ICR batteries in a mod. If you can not identify the type of battery you have, then do not use it.
Never charge your batteries while away from home. Charge them on a flame-resistant surface such as a stove top, cookie pan, or pyrex dish. A battery should never feel warm to touch, if it does consider it to be unsafe and discard it. Use a quality charger such as Pila, Xtar, or Nitecore.
Do not carry spare batteries in an unprotected pocket or purse - use plastic battery cases. Batteries which come into contact with coins or keys can become extremely hot and vent gas, and some will vent flames.
When in doubt, use authentic red AW IMR (Li-Mn) batteries from a recognized authorized vendor such as RTD Vapor.
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