Lithium Ion batteries are common place in today's world. Many products we use daily such as cellphones, laptops, tablets, cordless power tools, leaf blowers, stick-vacuums, vape pens, etc. or even the cars we drive. However, these devices can have inherent risk if misused, stored improperly, or we do not follow manufacturer's recommendations on how to use and maintain these products. These batteries store a large amount of energy in a small space. Also, as with many products there are aftermarket batteries that are not designed or recommended by the product manufacturer to be used in their devices. Caution should be taken when purchasing these aftermarket battery replacements. Follow these few helpful safety tips to ensue your personal safety and the safety of others.