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Many of the devices we use in our daily lives—phones, tablets, laptops, tools, toys, e-bikes, and scooters, to name a few—run on rechargeable lithium-ion batteries, which store high amounts of energy in a small space. If the batteries are damaged or charged incorrectly, they can overheat, start a fire, or even explode. With these concerns in mind, the National Fire Protection Association (NFPA...