Enable the Galaxy S5’s ultra power saving mode to bring the most out of your battery Samsung claims that when the device is fully billed, this style will render your phone up to 12.5 days of battery lifetime. In fact, with only 10 percent of battery life remaining, enabling ultra power- delivery mode can make your phone last for another 24 hours.
On that point are some downsides, though. Ultra power-saving mode will greatly reduce your phone’s capabilities. In addition to changing your display to grayscale, you will be limited to only using select apps like the Phone, Messages, Internet, Emergency Alerts, Google+, Facebook, Twitter, and a few others. Only six of these apps, however, can be placed on your home screen.
Ultra power-saving mode can be enabled by going to settings and scrolling down to the “power saving” option.
If you require to retain the full functionality of your phone while squeezing the most juice out it, there are other ways to prevent battery drainage.
You should as well make sure that location reporting and location history are both disabled. These options can be found in the Google Location Reporting menu under the Location Services option.
Most people go on their phone’s brightness on auto mode, but you may not recognize that this can actually be worse for your battery. The example utilizes the phone’s sensors, which, because it’s in use all the time, actually drains your battery more rapidly than adjusting your brightness manually.
In most instances, being outside on a sunny day not being one of them, you don’t need to have the brightness away. To save your battery, I advocate turning the brightness level down to somewhere below halfway, or to a degree that is acceptable in your eyes.