# Battery Impact Playbook > mSpy works in the background, so battery use is a fair question. See what affects drain and how to troubleshoot without disabling safety features. ## Guides - [Other Apps That Drain Battery More Than Monitoring](https://battery-impact.pages.dev/apps-that-drain-battery-most/): The apps that drain battery most are often those that keep the screen active, stream media, use location services, or perform frequent background work. - [Battery Saver Settings and Background Restrictions](https://battery-impact.pages.dev/battery-saver-background-restriction/): A battery saver background restriction can reduce background activity and extend the time a phone remains charged, but it may also delay updates and other app. - [How Often Data Syncs and Why It Matters](https://battery-impact.pages.dev/monitoring-data-sync-frequency/): Monitoring data sync frequency describes how often information is updated or made available through a monitoring service. - [Old Phones, Small Batteries and Realistic Expectations](https://battery-impact.pages.dev/old-phone-battery-expectations/): Old phone battery expectations should account for battery wear, limited hardware capacity and the demands of everyday phone use. - [Involving Your Child in Battery Troubleshooting](https://battery-impact.pages.dev/troubleshoot-battery-with-child/): To troubleshoot battery with child, start by listening to their experience and examining the phone's everyday behavior together. ## About - [About Battery Impact Playbook](https://battery-impact.pages.dev/about/): responsible use, how the site is funded and how guides are made ## Optional - [RSS feed](https://battery-impact.pages.dev/feed.xml)