This battery has a large capacity and can be used in a variety of electronic gadgets. All development boards are compatible. Toys, cordless microphones, walkie-talkies, multimeters, and a variety of other items can all be used. It's utilised with a battery snap, connector, or clip that's special to it. High Power Long Life Batteries HIW 6 F 22 9 Volts. This 9V First-Watt Battery is a high-capacity, low-cost alternative for a variety of electronic equipment.