Audiovox GMRS200 Owner's Manual page 9

The following guidelines will improve performance and provide longer
operating times for the GMRS200:
1. Do not mix old and new batteries.
2. Do not mix alkaline, standard (carbon-zinc) or rechargeable
batteries.
3. If the unit is not to be used for an extended period of time, remove the
batteries. Old or leaking batteries can cause damage to the unit and
will void the warranty.
MIC/CHG/
SPK JACK
GMRS200
NOTE: Only Audiovox
approved rechargeable
batteries (Ni-MH,900mA,1.2V)
can be recharged in the radio
transceiver.
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