9V batteries for use with Smoke Alarms and Carbon Monoxide Detectors. 10 Year Service life. Lasts 5x longer than normal Alkaline batteries. Sold individually.
Zinc Batteries - For light to medium duty applications. For example: Small torches, radios, basic toys, clocks and low powered items. Alkaline - The best quality batteries for use in high energy drain applications or continuous heavy use. For example: remote control toys, digital equipment, high powered portable radio cassettes. Alkaline is the best quality battery in most applications. New Ultra - Alkaline hi-tech applications. For example: Digital cameras/mobile phones.