It is possible to reduce battery draining problem. All you want to do is keep some regular actions in your smartphone. Keep in mind that battery problems are happened due to your charging method, usage of phone.
1. First keep your eye on while charging your phone . Do not let it to dry. please charge your phone before it dies.
2. Plug off your phone after it reaches 100%. Do not leave it in charging, after it is charged. It will make heating problems which is harmful for batteries.
3. Use your phone as far as you can until it uses battery saver mode.
4. Do not plug in your phone when it has 40% or more. Just maintain charge between 40 to 80 %. It will help to prolong battery life. Once in a month let phone switched off and charge it.
5. Do not expose your phone to extreme cold or heat conditions.