By PSW Staff • October 19, 2010 Provided by Sweetwater. Q:I help out at my church with the audio, and recently got to wondering how long we can store batteries? Do they lose power? A: Most battery types lose up to 8-20 percent of their charge per year, depending on the temperature they’re stored at and the battery type. This is due to non-electricity producing chemical “side” reactions that take place within the battery’s cells over time. It’s possible to extend the life of alkaline batteries through an alternative storage method. However, no matter how you chose to store your batteries, it might be wise to take the advice of Gary Zandstra and invest in a battery tester, which can help you prevent the preventable. For more tech tips go to Sweetwater.com Comments Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Tagged with: Audio Basics Batteries Church Sound Poll Study Hall Sweetwater Tech Tips Worship Audio · all topics Subscribe to Live Sound International Subscribe to Live Sound International magazine. Stay up-to-date, get the latest pro audio news, products and resources each month with Live Sound.