Up to 30% better longevity (vs. prior Procell Alkaline AA batteries) in high drain professional devices, that may result in fewer battery replacements and may therefore lead to savings on operating costs that are associated with battery replacement. Manufactured using superior cell design Design, safety, manufacturing, and qualification follow Procells stringent battery standards, which incorporate parts of the ANSI and IEC battery standards. Economically packaged in bulk and individually date-coded for effective inventory management. Operating temperatures from -4°F to 129.2°F.