Power your industrial and professional devices with Energizer® Industrial® Lithium 9V Batteries. Because tools of the trade are an investment worth protecting, these industrial 9V batteries are 100% leakproof in standard use. Perform in extreme temperatures (-40°F to 140°F) and hold their power with up to 10 years of shelf life. All of these features are packed inside a lithium 9V battery that weighs 25% less than an alkaline 9V.