BatteryJack is manufacturing a replacement battery for the new Vertex VX230/231 series radios. The battery manufacturer will produce the Li-ION batteries with an extended 2150mAH cell, creating the longest running battery for this radio model. The light Li-ION battery will have the run time of 18 hours (14 hours when battery saver on radio). The FNB104 battery is a direct replacement for the OEM part numbers FNB103 or FNB104 and will work with all OEM equipment. The battery will also be warranted for 18 months.