The Zeus battery has a 10 -years shelf life and is made with lightweight lithium batteries, this is 33% lighter than alkaline. The Zeus cr2 3v lithium is the perfect replacement battery for your laser rangefinder. Most manufacturers recommend replacing the battery in laser rangefinders once every 12 months, and the long life cycle makes the Zeus cr2 lithium battery a great choice. The Zeus cr2 lithium is pollution free and does not contain any cadmium, lead or mercury.Features: -10- year battery life -Lightweight lithium batteries -Replacement battery for your laser ragefinder -Pollution free -Does not contain any cadmium, lead or mercury

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