Batteries should only be replaced by an adult.
1. Do not mix old and new batteries.
2. Do not mix alkaline, standard (carbon-zinc) or rechargeable (nickel-cadmium) batteries.
3. Do not put batteries in backwards. Positive (+) and negative (-) ends must face proper direction.
4. Do not leave batteries in product for long periods of non-use.
5. Do not dispose of batteries in fire.