NARDA 8718B - Manual (Page 132)

131 Appendix C Maintenance
Rechargeable Battery Management Program
The Model 8718B contains a rechargeable nickel-cadmium
battery that must be recycled or disposed of in compliance with
applicable federal, state, or local environmental regulations.
Narda maintains a rechargeable battery management program
in keeping with its highly proactive policy on environmental
protection and conservation of natural resources. This service
is available to our customers at no charge. At the end of this
product’s effective life cycle, it may be returned to Narda for
proper disposal.