How to improve Btery Life
There is an app on the Google Play Store called Package Disabler Pro it is a paid app but it is worth it trust me improved my battery life by allot. I used to get around 3 to 4 hours of on screen time with 14 or so hours total on battery and after this I get round 6 to 7 hours on screen time with upwards of 17+ hours of total time on battery. I haven't truly tested it this is just t I get of it by the end of the day sometimes when I'm more active on it there are apps and services that are safe to disable you can experiment with the app if you want to but I'm posting a list of apps that I found on the internet that are safe.
There are other ways to save battery life that are like disabling location when not in use, using dark wallpapers over colored ones as Super AMOLED displays are better on dark colors. If don't mind black wallpapers for both lock screen and home screen, then that is the best way to go and changing up the theme to a darker theme helps to. Turning off the always scanning feature on the Wi-Fi settings menu helps some to I just read that today. I'm sure there is more you can do to save power like screen timeout. Using Developer Options helps too and it can also speed up your phone to unlock developer options look it up on YouTube to learn how to do it I think it's by tapping on build number a set number of times to get to the build number go to about device or about phone then find build number. In developer options turn on Force GPU Rendering and turn off animations or turn them to .5x if you like the animations I have mine off as I don't care for them. Don't mess with background processes as that will make the phone or device limited in what it can do and may drain the battery more than saving it as it would have to re-open the apps that you use keep it on standard limit and with the other tweaks it will be fine.
Other apps to install to help with battery life: ShutApp once your setup the apps that you don't want it to kill and place it on the home page of your choice or in a folder of your choice I keep it out on my second page so I can get to it easily. Also change the launcher to one that suits your needs I use Nova launcher prime but you can use which ever one you want to once you set that up on the package disabler pro app disable Touch Wiz app and any other Samsung services you don't use like S-Voice and what not plus what is in the list above you will be set.
I also use SD Maid Pro as it's the best cleaner I found you can use the free version if you want to but I recommend buying the pro version I used to use Clean Master but I found that one to be intrusive with how it runs in the background and SD Maid isn't intrusive and is simple and easy to use and does the job very well in my book.
With the lock screen if you don't have it setup for any kind of security and just have it on swipe go to unlock effect and set it to none this will help with speeding up the unlocking of your device. Just like keeping location off unless you need it same goes for Bluetooth and if you’re out and about away from Wi-Fi turn that off as well the only time Wi-Fi should be on is at home, work, or Wi-Fi hot spots like coffee shops and fast food joints. Turning off most of the special features like smart stay and other kind of features like that can help out too and in the long run every little bit helps.
I think this is the best information I have gathered if I find more I will add to this list or if I forgot anything or if you know of more battery saving techniques please feel free to post a reply and add to this. I wanted to post this info that I have gathered so it's all in one centralized location and you don't have to go all over the place trying to find better ways to save battery like I did. Plus, one post I read this person got their Note 5 to last for 12 hours on screen time and that's amazing I would like to see the iPhone get the same in fact it would be nice if all mobile devices could get that kind of life on one charge. I hope you enjoyed reading this and I hope it helps you achieve better battery life and feel free to comment.
Note: Package Disabler Pro is for Samsung devices only so if you have a different branded phone skip this app and just use the others and find out more of what you can do with your device.