Your product or battery pack contains lithium ion cells.  When the product is no longer useable or batteries no longer hold a charge, they should be recycled.  They must not be incinerated, composted, thrown in the trash or placed in single stream, curbside recycling.  In some areas, it is illegal to place rechargeable batteries in the trash.  Consult your local municipality for proper disposal instructions for your city/town or the appropriate website below: