National Instruments NI PXI-8104 User Manual page 61

Appendix A Specifications
NI PXI-8104 User Manual
Battery Replacement and Disposal
This device contains a long-life coin cell battery. If you need to replace it,
use the Return Material Authorization (RMA) process or contact an
authorized National Instruments service representative.
After replacement, recycle the old battery. For additional information, visit
ni.com/environment
.
A-6 ni.com