Lithium-ion batteries are volatile. Improper use may result in burning or exploding. Do not use or charge with non-approved devices. Do not leave charging devices plugged into computers, laptops, or wall units when not in use. Overuse of vaping devices may cause overheating, malfunction, burns, or injury. Do not leave the unit unattended while charging, whether during the day or overnight, and do not charge it in your vehicle. Keep away from high heat, direct sunlight, cold temperatures, humidity, and water. Injury or death can occur. Do not replace batteries with non-approved units. Do not mix new and used batteries or different brands. When charging, keep away from flammable areas such as wood floors and carpets. Always use a fire-resistant container or bag. Have a fire extinguisher available in case of fire. Do not use batteries or devices that appear damaged. Do not expose batteries to direct sunlight. In the event the battery begins to balloon, swell, smoke, or become very hot, immediately disconnect the power to your home or office from the circuit breaker. If a circuit breaker is unavailable, disconnect from the outlet. Do not approach the battery for at least two hours and ensure the room is ventilated. Do not drop, damage, or tamper with batteries. Always use a surge protector. Do not throw batteries into the fire. Do not connect improperly. Do not charge batteries unless they are specifically labeled as “rechargeable.” Do not carry or store batteries together with metallic necklaces, in your pockets, purses, or anywhere they may be exposed to metals. Keep away from children and pets. Should a child or pet swallow or chew on a battery, immediately consult a physician and/or call your local Poison Control Center. Always turn off vaping devices with on/off switches when not in use. Unplug charging units when not in use. Failure to follow warnings may result in electric shock, fire, property damage, bodily injury, or death.