This 3 volt lithium rechargeable button cell is used in solar watches. This lithium battery is rechargeable with solar power and it is a quality replacement battery that provides long lasting power. Operation temperature range from -20 C to 60 C. So, the battery should not be overheated. It has a shelf life of 10 years. This is a general instruction that all batteries should be handled with anti-static plastic tweezers or non-powdered gloves. Static electricity and contaminants from your hands could damage the cell.