For the complete power option use these Duracell 9V Batteries - Square.

Duracell is getting better and better! These Duracell 9V Batteries - Square are new and improved to meet your needs. The technology of CopperTop has been upgraded to provide advanced performance in popular battery powered devices. These CopperTop batteries are best suited when you need reliable long lasting life from your everyday devices like: Toys Portable Tape and CD Players Clocks and Radios Remote Controls Electronic Games Smoke Alarms PDA's Flashlights.

These ever popular 9V Square Duracell Alkaline Batteries provides more strength and endurance than most other batteries.