Get the reliable power you are looking for by using this Energizer 9v Advanced Lithium Battery. You will be able to keep your high-tech gadgets and take your world along for the ride. The Energizer lithium batteries have technology that maximizes your gear s performance. You will be able to keep enjoying your items as they operate without stopping. The 9v lithium battery weighs 1/3 less than standard alkaline batteries. It has a leak-resistant construction that will help you avoid damaging the insides of your devices. It will last 20 hours longer in wireless gaming accessories than alkaline batteries. You will also get 30 percent longer usage in personal audio devices compared to others.