<human>:  How can I safely dispose of a cell phone battery?
<bot>: To safely dispose of a cell phone battery, you should always check with your local waste disposal agency for information on where to recycle or safely dispose of used lithium-ion batteries. In most cases, you can drop off the battery at a local recycling center or a retail store that specializes in recycling lithium-ion batteries. You should also avoid throwing old batteries in the trash, as this can lead to hazards like fire or the release of dangerous chemicals into the environment.