Icom IC-F21GM - Manual (Page 18)

‘ ‘ Battery case (Option)
When using a BP-208 OPTIONAL BATTERY CASE attached to the
transceiver, install 6 AA (R6) size alkaline batteries as illustrated
below.
NOTE: Output power is automatically reduced to 1 W to retain suffi-
cient power in case of an emergency, etc.
D D CAUTIONS
• Use ALKALINE batteries only.
• Make sure all battery cells are the same brand, type and ca-
pacity.
• Never mix old and new batteries.
Either of the above may cause a fire hazard or damage the
transceiver, if ignored.
• Never incinerate used battery cells since internal battery gas
may cause them to rupture.
• Never expose a detached battery case to water.
If the battery case gets wet, be sure to wipe it dry before using
it.
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BATTERY PACKS