AA Power XP² Batteries The AA Power XP² batteries from Powerhouse Two are the flagship cell in the Power XP² alkaline family engineered for electronic door lock systems and proven in independent testing to outperform nationally recognized brands by more than 20 percent in that application. Advanced alkaline chemistry, steel casing, and quick recovery technology make them the right specification for high-drain commercial applications including wireless sensors, medical diagnostic tools. Visit Us: https://share.google/XZdabhthxK3TUC10p