Cobra FA-CR Desktop Charger for NiMH FRS Radio Batteries Replaces model charger FA-CH 2-port desktop battery charger Functions with batteries installed or removed from FRS units Designed for NiMH batteries; convenient and easy to use Compatible with Cobra FRS 100, 115, 135, 220, 250, 300, 305, and 310 two-way radios; also compatible with Cobra FA-BP battery pack