NX-CR9V-P-PP3-Style-Battery-Enix-PRL9002-U9VL-P-This-battery-is-used-mainly-for-home-protection-smoke-detectors-security-and-medical-applications-where-frequent-battery-changes-are-inconvenient-or-impractical-Although-this-battery-can-be-used-in-any-9V-device-P-P-The-battery-provides-immense-power-and-endurance-through-extreme-temperatures-lasts-up-to-10-times-longer-than-Carbon-Zinc-batteries-100-free-of-Mercury-Lead-Cadmium-Other-codes-associated-with-this-battery-are-PP3-