How to take care of heated vest batteries?
The battery in your device may explode or be damaged if exposed to high temperatures, fire, or left unattended while charging. Please do not place the battery anywhere where an open flame could reach it. Please keep out of high temperatures and do not dispose of this battery.
Remember not to crush or disassemble your heated gloves. Any broken components should be recycled legally and following local laws and regulations. Make sure anyone who uses the gloves isn't directly around children or those who do not have heat-sensitive bodies. Here are detailed instructions to keep a battery safe.