Profile: Twowaybattery.com is a source for two way radio replacement batteries, chargers, eliminators and accessories. Our products are manufactured by ISO 9001 certified manufacturing plants. Our Cobra FRS300 two way radio replacement battery features Nickel Metal Hydride (Ni-MH) chemistry, 4.8 Volts and rated at 700 mAH capacity. Our rugged tri-chemistry six-bay rapid drop-in charger is designed to charge a wide range of two-way radio batteries.