Power Supplies come in many forms: AC to DC, AC to AC, Regulated, Non-Regulated, Switching, Linear and more. AtBatt.com brings you a wide variety of Power Supplies for your routers, modems, cordless Phones, toys, and other small appliances. Just check your needed voltage, output capacity (watts or Amps), your plug size and type. Below you can shop for 9 Volt DC Power Supplies.