IBM DS5100 Installation, User's, And Maintenance Manual page 231

4. Lift the contact tab; then, slide the battery out of the battery compartment.
5. Repeat Steps 1 through 4 to locate and remove the lithium battery in Controller
B; then, continue with Step 6.
6. Dispose of the batteries as required by local ordinances or regulations.
The battery must be recycled or disposed of properly. Recycling facilities may
not be available in your area. For information on disposal of batteries outside
the United States, see http://www.ibm.com/ibm/environment/products/
batteryrecycle.shtml or contact your local waste disposal facility.
In the United States, IBM has established a return process for reuse, recycling,
or proper disposal of used batteries. For information on proper disposal of these
batteries, contact IBM at 1-800-426-4333.
Battery
Chapter 5. Replacing components
199