FNB-10i : 7.2volt 700mAh insert - goes inside Yaesu FNB-10
$ 19.95
FNB-10i: 7.2 volt 700mAh rechargeable replacement NiCd Insert - goes inside FNB-10 casing. This insert goes inside battery casing that fits the FT-411, FT-470, FT-23, FT-43, FT-73. You will need to open up your FNB-10 battery (or FNB-14) and install this insert. 2 solder connections are required. Insulate properly before re-closing