The EVEREADY Super Heavy Duty 9V Battery is a reliable power source for a range of household and professional devices. This carbon zinc battery, with a voltage of 9V, is designed for use in smoke alarms, radios, toys, testers, and microphones. The battery features a snap connector terminal type and a block battery format, making it compatible with all standard 9V battery devices. With a long expiry date and leak protection design, this battery is a dependable choice for high and low drain devices, as well as solar and wind devices. Manufactured by EVEREADY, this environmentally friendly battery is a convenient and efficient power solution.