This power adapter is compatible with both the Mountain Radio and the 5 Watt Radio. This product is only the AC wall adapter block and does not include a cable. It has a USB-A port, outputs 5 Volts with 2 Amps and accepts 110V and 220V. All radios include a UBS-A to USB-C charging cable that is compatible with this adapter. Rocky Talkie radios no longer include a charging adapter as part of our 2024 sustainability initiatives. You can purchase this adapter or use other 3rd party adapters such as phone or laptop chargers, power banks, solar chargers, or car chargers to charge your radios.