But most Samsung phones -- especially the flagships like the Galaxy S25 Ultra, Galaxy Z Fold 7, and Z Flip 7 -- come with over-the-top features that you might not use daily. If your new Galaxy phone isn't lasting an entire day on a single charge, there are ways to make the most of what you have without hindering the user experience. Also: The best Samsung phones to buy in 2025 Here are seven ways to maximize the battery life on your Galaxy phone.