Icom IC-F3000 SERIES Instruction Manual page 39

There are two types of BC-197 chargers for the transceier; one is
for Ni-MH batteries, and the other is for Li-ion batteries.
Before you purchase a BC-197, check the type of battery you are
using, and then be sure to choose the suitable charger type.
* The charger adapter type, AD-120 or AD-121, is printed on the inside
bottom of the charger adapter. The type of battery it holds is printed on
the top right corner of the adapter.
BP-264 Ni-MH battery
BP-265 Li-ion battery
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