KEYENCE Corporation of America offers several products which contain Lithium-ion batteries (SR-B1, HR-B1, or BT-WB). These batteries are recyclable.
KEYENCE Corporation of America has partnered with Call2Recycle to offer a free battery recycling program to recycle these batteries. Call2Recycle has contracts with 34,000 local drop-off locations across North America to provide simple and convenient battery recycling.
The following link will provide you with your local drop-off locations: http://www.call2recycle.org/locator/.
You can also contact Call2Recycle directly at 1-800-822-8837 for more information.