How long will the NiMH rechargeable batteries last?

Depending on the climate they're used in, NiMH rechargeable batteries typically last from 2 to 5 years. When they're replaced, be sure to do the following:

• Contact your local waste disposal management authority for guidelines concerning NiMH disposal.
• Discharge the batteries fully prior to disposal.
• Do not incinerate.
• Do not open or puncture the batteries.
• Observe all national, state, and local rules and regulations for disposal of rechargeable batteries.

Is is recommended to replace the NiMH rechargeable batteries with another set of NiMH rechargeable batteries.